Some files about systemtag cannot be found

I fresh install Owncloud 20.5 on Ubuntu server 20.04 LTS. I need retention about file and user. To able do those need download and enable asome apps from nextcloud app page. As front-end there is no problem. But I get some error log about for those apps.
I check owncloud github and apps github, but those three files not shown anywhere:

core/js/systemtags/systemtagscollection.js
core/js/systemtags/systemtagmodel.js
core/js/systemtags/systemtags.js

And, there is no directory named “systemtags” also:

root@nextcloud:/var/www/html/nextcloud/core/js# pwd
/var/www/html/nextcloud/core/js
root@nextcloud:/var/www/html/nextcloud/core/js# ls -la
total 96
drwxr-xr-x 6 www-data www-data 4096 Jan 14 09:35 .
drwxr-xr-x 22 www-data www-data 4096 Jan 14 09:38 …
-rw-r–r-- 1 www-data www-data 943 Jan 14 09:35 backgroundjobs.js
-rw-r–r-- 1 www-data www-data 363 Jan 14 09:35 core.json
drwxr-xr-x 2 www-data www-data 4096 Jan 14 09:35 dist
drwxr-xr-x 2 www-data www-data 4096 Jan 14 09:35 login
-rw-r–r-- 1 www-data www-data 70 Jan 14 09:35 merged-template-prepend.json
-rw-r–r-- 1 www-data www-data 3654 Jan 14 09:35 mimetype.js
-rw-r–r-- 1 www-data www-data 6257 Jan 14 09:35 mimetypelist.js
drwxr-xr-x 2 www-data www-data 4096 Jan 14 09:35 public
-rw-r–r-- 1 www-data www-data 460 Jan 14 09:35 publicshareauth.js
-rw-r–r-- 1 www-data www-data 1479 Jan 14 09:35 select2-toggleselect.js
-rw-r–r-- 1 www-data www-data 31808 Jan 14 09:35 setupchecks.js
drwxr-xr-x 3 www-data www-data 4096 Jan 14 09:35 tests
-rw-r–r-- 1 www-data www-data 4967 Jan 14 09:35 update.js

Are those files for Enterprise solution and need to puchas? Id not, where can I find?
or, whats is wrong in my configuration.
Regards.

Server configuration detail

Operating system: Linux 5.4.0-62-generic #70-Ubuntu SMP Tue Jan 12 12:45:47 UTC 2021 x86_64

Webserver: Apache/2.4.41 (Ubuntu) (apache2handler)

Database: mysql 10.3.25

PHP version: 7.4.3

Modules loaded: Core, date, libxml, openssl, pcre, zlib, filter, hash, Reflection, SPL, session, standard, sodium, apache2handler, mysqlnd, PDO, xml, apcu, bcmath, bz2, calendar, ctype, curl, dom, mbstring, FFI, fileinfo, ftp, gd, gettext, gmp, iconv, igbinary, imagick, imap, intl, json, ldap, exif, msgpack, mysqli, pdo_mysql, apc, posix, readline, redis, shmop, SimpleXML, sockets, sysvmsg, sysvsem, sysvshm, tokenizer, xmlreader, xmlwriter, xsl, zip, Phar, memcached, Zend OPcache

Nextcloud version: 20.0.5 - 20.0.5.2

Nextcloudfresh install:

Where did you install Nextcloud from: Nextcloud.com/latest

The issue you are facing:

Is this the first time you’ve seen this error? yes

Steps to replicate it:

  1. Install files_automatedtagging app and files_retention
  2. Create a flow
  3. Logging shows error about some file not shown

The output of your Nextcloud log in Admin > Logging:

{"reqId":"YuHklDlUiGymJiz17vL8","level":3,"time":"2021-01-20T13:24:03+03:00","remoteAddr":"10.251.15.100","user":"2BE98F99-8969-4CEA-9F71-FC6CB5970795","app":"jsresourceloader","method":"GET","url":"/nextcloud/settings/admin/workflow","message":"Could not find resource core/js/systemtags/systemtagscollection.js to load","userAgent":"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36","version":"20.0.5.2","id":"6008097ae2ab1"}

{"reqId":"YuHklDlUiGymJiz17vL8","level":3,"time":"2021-01-20T13:24:03+03:00","remoteAddr":"10.251.15.100","user":"2BE98F99-8969-4CEA-9F71-FC6CB5970795","app":"jsresourceloader","method":"GET","url":"/nextcloud/settings/admin/workflow","message":"Could not find resource core/js/systemtags/systemtagmodel.js to load","userAgent":"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36","version":"20.0.5.2","id":"6008097ae2acc"}

{"reqId":"YuHklDlUiGymJiz17vL8","level":3,"time":"2021-01-20T13:24:03+03:00","remoteAddr":"10.251.15.100","user":"2BE98F99-8969-4CEA-9F71-FC6CB5970795","app":"jsresourceloader","method":"GET","url":"/nextcloud/settings/admin/workflow","message":"Could not find resource core/js/systemtags/systemtags.js to load","userAgent":"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36","version":"20.0.5.2","id":"6008097ae2ae2"}

{"reqId":"YuHklDlUiGymJiz17vL8","level":3,"time":"2021-01-20T13:24:03+03:00","remoteAddr":"10.251.15.100","user":"2BE98F99-8969-4CEA-9F71-FC6CB5970795","app":"jsresourceloader","method":"GET","url":"/nextcloud/settings/admin/workflow","message":"Could not find resource core/js/oc-backbone-webdav.js to load","userAgent":"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36","version":"20.0.5.2","id":"6008097ae2af7"}

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

{
    "instanceid": "***REMOVED SENSITIVE VALUE***",
    "passwordsalt": "***REMOVED SENSITIVE VALUE***",
    "secret": "***REMOVED SENSITIVE VALUE***",
    "trusted_domains": [
        "nextcloud.yasar.com.tr",
        "localhost",
        "10.10.1.96",
        "nextcloud"
    ],
    "datadirectory": "***REMOVED SENSITIVE VALUE***",
    "dbtype": "mysql",
    "version": "20.0.5.2",
    "overwrite.cli.url": "https:\/\/nextcloud.yasar.com.tr\/nextcloud",
    "dbname": "***REMOVED SENSITIVE VALUE***",
    "dbhost": "***REMOVED SENSITIVE VALUE***",
    "dbport": "",
    "dbtableprefix": "oc_",
    "mysql.utf8mb4": "true",
    "dbuser": "***REMOVED SENSITIVE VALUE***",
    "dbpassword": "***REMOVED SENSITIVE VALUE***",
    "installed": "true",
    "loglevel": "3",
    "logtimezone": "Europe\/Istanbul",
    "mail_from_address": "***REMOVED SENSITIVE VALUE***",
    "mail_smtpmode": "smtp",
    "mail_sendmailmode": "smtp",
    "mail_domain": "***REMOVED SENSITIVE VALUE***",
    "mail_smtpauthtype": "PLAIN",
    "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
    "mail_smtpport": "25",
    "memcache.local": "\\OC\\Memcache\\Redis",
    "memcache.locking": "\\OC\\Memcache\\Redis",
    "filelocking.enabled": "true",
    "maintenance": false,
    "proxy": "10.40.1.80:8080",
    "htaccess.RewriteBase": "\/nextcloud",
    "redis": {
        "host": "***REMOVED SENSITIVE VALUE***",
        "port": 0,
        "timeout": 0.5,
        "dbindex": 0
    },
    "ldapIgnoreNamingRules": false,
    "ldapProviderFactory": "OCA\\User_LDAP\\LDAPProviderFactory"
}

Apache error.log :

[Wed Jan 20 00:00:09.733316 2021] [mpm_prefork:notice] [pid 1412] AH00163: Apache/2.4.41 (Ubuntu) mod_fcgid/2.3.9 OpenSSL/1.1.1f configured -- resuming normal operations
[Wed Jan 20 00:00:09.733333 2021] [core:notice] [pid 1412] AH00094: Command line: '/usr/sbin/apache2'
[Wed Jan 20 07:23:48.837135 2021] [autoindex:error] [pid 24666] [client 10.251.15.100:39146] AH01276: Cannot serve directory /var/www/html/nextcloud: No matching DirectoryIndex (none) found, and server-generated directory index forbidden by Options directive
[Wed Jan 20 07:32:46.455075 2021] [access_compat:error] [pid 48408] [client 10.251.15.100:39720] AH01797: client denied by server configuration: /var/www/html/nextcloud/data/.ocdata
[Wed Jan 20 09:15:54.279571 2021] [access_compat:error] [pid 54469] [client 10.251.15.100:45680] AH01797: client denied by server configuration: /var/www/html/nextcloud/data/.ocdata

other_vhosts_access.log :

nextcloud.yasar.com.tr:443 10.251.15.100 - - [20/Jan/2021:10:48:12 +0000] "GET /nextcloud/apps/logreader/poll?lastReqId=YuHklDlUiGymJiz17vL8 HTTP/1.1" 200 877 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36"
nextcloud.yasar.com.tr:443 10.251.15.100 - - [20/Jan/2021:10:48:40 +0000] "GET /nextcloud/ocs/v2.php/apps/notifications/api/v2/notifications HTTP/1.1" 304 2206 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36"
nextcloud.yasar.com.tr:443 10.251.15.100 - - [20/Jan/2021:10:48:32 +0000] "GET /nextcloud/apps/logreader/poll?lastReqId=YuHklDlUiGymJiz17vL8 HTTP/1.1" 200 877 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36"
nextcloud.yasar.com.tr:443 10.32.11.50 - - [20/Jan/2021:10:48:56 +0000] "GET /nextcloud/ocs/v2.php/apps/notifications/api/v2/notifications HTTP/1.1" 304 2206 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.183 Safari/537.36"
nextcloud.yasar.com.tr:443 10.251.15.100 - - [20/Jan/2021:10:49:10 +0000] "GET /nextcloud/ocs/v2.php/apps/notifications/api/v2/notifications HTTP/1.1" 304 2206 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36"
nextcloud.yasar.com.tr:443 10.251.15.100 - - [20/Jan/2021:10:49:10 +0000] "PUT /nextcloud/apps/user_status/heartbeat HTTP/1.1" 204 2671 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36"
nextcloud.yasar.com.tr:443 10.251.15.100 - - [20/Jan/2021:10:49:12 +0000] "GET /nextcloud/ocs/v2.php/apps/user_status/api/v1/user_status HTTP/1.1" 200 1036 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36"
nextcloud.yasar.com.tr:443 10.251.15.100 - - [20/Jan/2021:10:48:54 +0000] "GET /nextcloud/apps/logreader/poll?lastReqId=YuHklDlUiGymJiz17vL8 HTTP/1.1" 200 877 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36"
nextcloud.yasar.com.tr:443 10.32.11.50 - - [20/Jan/2021:10:49:26 +0000] "GET /nextcloud/ocs/v2.php/apps/notifications/api/v2/notifications HTTP/1.1" 304 855 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.183 Safari/537.36"
nextcloud.yasar.com.tr:443 10.251.15.100 - - [20/Jan/2021:10:49:15 +0000] "GET /nextcloud/apps/logreader/poll?lastReqId=YuHklDlUiGymJiz17vL8 HTTP/1.1" 200 877 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36"
nextcloud.yasar.com.tr:443 10.251.15.100 - - [20/Jan/2021:10:49:40 +0000] "GET /nextcloud/ocs/v2.php/apps/notifications/api/v2/notifications HTTP/1.1" 304 2206 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36"

I have the same issue in version 22.1.1

Hi i have the same issue, but it’s only occurs if retention app installed and enabled,
fresh install
Nextcloud Hub II 23.0.1
nextcloud:latest in docker
i also tried this linuxserver/nextcloud container same problem
Did you find any solution for this problem?