Error occurred while checking server setup 18.0.3

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Sorry to hear you’re facing problems :slightly_frowning_face:

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Some or all of the below information will be requested if it isn’t supplied; for fastest response please provide as much as you can :heart:

Nextcloud version (eg, 12.0.2):18.0.3
Operating system and version (eg, Ubuntu 17.04):Ubuntu 18.04.4 LTS
Apache or nginx version (eg, Apache 2.4.25): Apache/2.4.41 (Ubuntu)
PHP version (eg, 7.1):PHP 7.3.10-1+ubuntu16.04.1+deb.sury.org+1 (cli)

The issue you are facing:

  1. From a PC on my local network, accessing my NC I get the blue page,

    PHP module cURL not installed.
    Please ask your server administrator to install the module.
    PHP modules have been installed, but they are still listed as missing?
    Please ask your server administrator to restart the web server.

From the same PC running next cloud (in virtualbox) the admin page under general says
Error occurred while checking server setup 18.0.3

output of php -m

[PHP Modules]
apc
apcu
calendar
Core
ctype
curl
date
dom
exif
fileinfo
filter
ftp
gd
gettext
hash
iconv
igbinary
intl
json
libxml
mbstring
memcache
mysqli
mysqlnd
openssl
pcntl
pcre
PDO
pdo_mysql
Phar
posix
readline
redis
Reflection
session
shmop
SimpleXML
sockets
sodium
SPL
standard
sysvmsg
sysvsem
sysvshm
tokenizer
wddx
xml
xmlreader
xmlrpc
xmlwriter
xsl
Zend OPcache
zip
zlib

[Zend Modules]
Zend OPcache

Is this the first time you’ve seen this error? (Y/N): Yes (I recently upgraded Nextcloud from the last stable verison )

The output of your Nextcloud log in Admin > Logging:

{"reqId":"zOZ4nrpU7q03xqrE4RbZ","level":2,"time":"2020-03-21T21:15:02+00:00","remoteAddr":"","user":"--","app":"OC\\Log\\Rotate","method":"","url":"--","message":"Log file \"\/var\/www\/html\/nextcloud\/data\/nextcloud.log\" was over 104857600 bytes, moved to \"\/var\/www\/html\/nextcloud\/data\/nextcloud.log.1\"","userAgent":"--","version":"17.0.3.1"}
{"reqId":"Yiae7O8hUCdbSzZIG25i","level":3,"time":"2020-03-21T21:15:10+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"u2QxnDqQAZpr00yjM2bC","level":3,"time":"2020-03-21T21:15:29+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"UALtKRX5Yui6wyoBE1D8","level":3,"time":"2020-03-21T21:15:42+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"HgpTPiVtS7wXErd9aI6U","level":3,"time":"2020-03-21T21:15:59+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"FPb4XT6MNXglANDjDTN8","level":3,"time":"2020-03-21T21:16:14+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"sDlRJBYx5VsAOYdqaZY3","level":3,"time":"2020-03-21T21:16:29+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"gAJkf6xBcC2phVZ1Or28","level":3,"time":"2020-03-21T21:16:46+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"unnB9cof8g3LCGZ2OcVk","level":3,"time":"2020-03-21T21:16:59+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"5CU3IgOaoTS0MvRNMVP3","level":3,"time":"2020-03-21T21:17:18+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"STCgQjgV5L5f6sXoKmxN","level":3,"time":"2020-03-21T21:17:29+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"79tnlT0qio12Tjl6n6SH","level":3,"time":"2020-03-21T21:17:50+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"bV3yQ0WXnzrTPerIYlCW","level":3,"time":"2020-03-21T21:17:59+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"zwrnhuSBksUs2kYFN8ur","level":3,"time":"2020-03-21T21:18:00+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"GET","url":"\/ocs\/v2.php\/apps\/notifications\/api\/v2\/notifications?format=json","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"D0NTKjQZ7VHGu3gumcn6","level":3,"time":"2020-03-21T21:18:22+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"pRlE7nYMFxkBAuPFy90g","level":3,"time":"2020-03-21T21:18:29+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"b2rd2aWFpuSnxrlq3tpk","level":3,"time":"2020-03-21T21:18:54+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"GOf39hDoOVHZFoGivHBs","level":3,"time":"2020-03-21T21:18:59+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"xQtmgwsM7Rgz8SjgVupk","level":3,"time":"2020-03-21T21:19:26+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"j4mVivIEJSCRlbvuMU2i","level":3,"time":"2020-03-21T21:19:29+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"wyWi56KHxgmY0Bgkle6q","level":3,"time":"2020-03-21T21:19:58+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"roOReoUa9c2hWrmo4X8z","level":3,"time":"2020-03-21T21:19:59+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"d7sbK9wWRAjRx0A93xww","level":3,"time":"2020-03-21T21:20:29+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"0ufrMHts4K4jOGLayVS2","level":3,"time":"2020-03-21T21:20:30+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"hknE5Z775xyasLc2qwPA","level":3,"time":"2020-03-21T21:20:59+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"MXDvnHOTk2lDTOksUqOf","level":3,"time":"2020-03-21T21:21:02+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"whlDdJK2xFhj5xdHoBXY","level":3,"time":"2020-03-21T21:21:29+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"9EdABonY6Bev1DOokg3j","level":3,"time":"2020-03-21T21:21:34+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"sBdAMjdygWHCE6gnCweB","level":3,"time":"2020-03-21T21:21:59+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"kTtOwx6T5IRmtQ3nmJnM","level":3,"time":"2020-03-21T21:22:06+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"WTdAwRC8p93ZUS4wN4b6","level":3,"time":"2020-03-21T21:22:29+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"WDbGjwRV6NZyNcbo5oMi","level":3,"time":"2020-03-21T21:22:37+00:00","remoteAddr":"192.168.1.1","user":"--","app":"PHP","method":"GET","url":"\/nextcloud\/index.php\/204","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Android) Nextcloud-android\/3.10.1","version":"17.0.3.1"}
{"reqId":"GBl0sNxJ9InR84tDVmJu","level":3,"time":"2020-03-21T21:22:37+00:00","remoteAddr":"192.168.1.1","user":"--","app":"PHP","method":"GET","url":"\/nextcloud\/index.php\/204","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Android) Nextcloud-android\/3.10.1","version":"17.0.3.1"}
{"reqId":"gmngPQrw12NLmnrdpjZE","level":3,"time":"2020-03-21T21:22:38+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"muhapaQry7QnS6SzJTSM","level":3,"time":"2020-03-21T21:22:59+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"8QrEaCKdqu0pgDsjtjyv","level":3,"time":"2020-03-21T21:23:00+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"GET","url":"\/ocs\/v2.php\/apps\/notifications\/api\/v2\/notifications?format=json","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"Ly39AqZgQCEuTjrBjWcy","level":3,"time":"2020-03-21T21:23:10+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"XMoXdqZNjF8BL1ZfdkF9","level":3,"time":"2020-03-21T21:23:29+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"NolWrKapX38B1TJQZXBK","level":3,"time":"2020-03-21T21:23:42+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"JFcVp3cZnUYs9Sbid6pL","level":3,"time":"2020-03-21T21:23:59+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"UAQFjIjC5BP4mqPIt0Oj","level":3,"time":"2020-03-21T21:24:14+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"m4BS7JeBqgcVCy7bluVZ","level":3,"time":"2020-03-21T21:24:29+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"F8wrVzfxiw4Z5iCVTCHN","level":3,"time":"2020-03-21T21:24:46+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}
{"reqId":"HCk6dq1MSYxyFo43LyBR","level":3,"time":"2020-03-21T21:24:59+00:00","remoteAddr":"192.168.1.1","user":"glenn","app":"PHP","method":"PROPFIND","url":"\/remote.php\/dav\/files\/glenn\/Owncloud","message":"You are using a fallback implementation of the intl extension. Installing the native one is highly recommended instead. at \/var\/www\/html\/nextcloud\/3rdparty\/patchwork\/utf8\/src\/Patchwork\/Utf8\/Bootup\/intl.php#18","userAgent":"Mozilla\/5.0 (Windows) mirall\/2.6.2stable-Win64 (build 20191224) (Nextcloud)","version":"17.0.3.1"}

The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):

<?php
$CONFIG = array (
  'instanceid' => 'ocuoe94q340h',
  'passwordsalt' => '',
  'secret' => '',
  'trusted_domains' => 
  array (
    0 => 'enrgy.ddns.net',
  ),
  'datadirectory' => '/var/www/html/nextcloud/data',
  'overwrite.cli.url' => 'https://enrgy.ddns.net',
  'dbtype' => 'mysql',
  'version' => '18.0.3.0',
  'dbname' => 'nextclouddb',
  'dbhost' => 'localhost',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'mysql.utf8mb4' => true,
  'dbuser' => 'ncloud-usr',
  'dbpassword' => '',
  'installed' => true,
  'maintenance' => false,
  'theme' => '',
  'loglevel' => 1,
  'mail_from_address' => '',
  'mail_smtpmode' => 'smtp',
  'mail_smtpauthtype' => 'LOGIN',
  'mail_domain' => 'gmail.com',
  'mail_smtphost' => 'smtp@gmail.com',
  'mail_smtpport' => '465',
  'mail_smtpauth' => 1,
);

The output of your Apache/nginx/system log in /var/log/____:

PHP Warning:  PHP Startup: Unable to load dynamic library 'memcache.so' (tried: /usr/lib/php/20170718/memcache.so (/usr/lib/php/20170718/memcache.so: undefined symbol: php_explicit_bzero), /usr/lib/php/20170718/memcache.so.so (/usr/lib/php/20170718/memcache.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
[Sun Apr 05 00:08:43.640261 2020] [mpm_prefork:notice] [pid 6583] AH00163: Apache/2.4.41 (Ubuntu) OpenSSL/1.1.1d configured -- resuming normal operations
[Sun Apr 05 00:08:43.640276 2020] [core:notice] [pid 6583] AH00094: Command line: '/usr/sbin/apache2'
[Sun Apr 05 15:50:00.735274 2020] [access_compat:error] [pid 22596] [client 192.168.1.1:55400] AH01797: client denied by server configuration: /var/www/html/nextcloud/data/.ocdata
[Sun Apr 05 18:43:48.981111 2020] [mpm_prefork:notice] [pid 6583] AH00169: caught SIGTERM, shutting down
[Sun Apr 05 18:43:49.094471 2020] [so:warn] [pid 16386] AH01574: module php7_module is already loaded, skipping
PHP Warning:  PHP Startup: Unable to load dynamic library 'memcache.so' (tried: /usr/lib/php/20170718/memcache.so (/usr/lib/php/20170718/memcache.so: undefined symbol: php_explicit_bzero), /usr/lib/php/20170718/memcache.so.so (/usr/lib/php/20170718/memcache.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
[Sun Apr 05 18:43:49.113484 2020] [mpm_prefork:notice] [pid 16387] AH00163: Apache/2.4.41 (Ubuntu) OpenSSL/1.1.1d configured -- resuming normal operations
[Sun Apr 05 18:43:49.113500 2020] [core:notice] [pid 16387] AH00094: Command line: '/usr/sbin/apache2'
[Sun Apr 05 18:44:17.733185 2020] [access_compat:error] [pid 16389] [client 192.168.1.1:56977] AH01797: client denied by server configuration: /var/www/html/nextcloud/data/.ocdata
[Sun Apr 05 19:00:58.608489 2020] [access_compat:error] [pid 16392] [client 192.168.1.1:57163] AH01797: client denied by server configuration: /var/www/html/nextcloud/data/.ocdata