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A perfectly working Nextcloud deployment all of the sudden says *internal server error *
In the file nextcloud.log this is what I get:
"reqId": "yx1tUeMtNHSbi8TRzgLu",
"level": 3,
"time": "2021-04-09T15:15:22+00:00",
"remoteAddr": "189.223.246.194",
"user": "--",
"app": "PHP",
"method": "POST",
"url": "/index.php/login",
"message": "Unknown: POST Content-Length of 193 bytes exceeds the limit of 4 bytes at Unknown#0",
"userAgent": "Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0",
"version": "19.0.1.1"
}
My php.ini has this values:
upload_max_filesize= 4G
post_max_size = 4G
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In order to help you as quickly as possible, before clicking Create Topic please provide as much of the below as you can. Feel free to use a pastebin service for logs, otherwise either indent short log examples with four spaces:
example
Or for longer, use three backticks above and below the code snippet:
longer
example
here
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 
Nextcloud version (eg, 20.0.5): 19
Operating system and version (eg, Ubuntu 20.04): debian buster
Apache or nginx version (eg, Apache 2.4.25): Apache2
PHP version (eg, 7.4): 7.3
The issue you are facing:
Is this the first time you’ve seen this error? (Y/N): Y
Steps to replicate it:
- Open nextcloud web page
- Fill in log in credentials
- hit the Log in button
The output of your Nextcloud log in Admin > Logging:
can't access Nextcloud other than ssh. See log above.
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
<?php
$CONFIG = array (
'instanceid' => 'oci2vy493lyo',
'passwordsalt' => 'XXX',
'secret' => XXX',
'trusted_domains' =>
array (
0 => 'XXX,
),
'datadirectory' => '/mnt/volume_sfo3_02/nextcloud',
'dbtype' => 'mysql',
'version' => '19.0.1.1',
'overwrite.cli.url' => 'sdfdf',
'dbname' => 'fdfdf',
'dbhost' => 'localhost',
'dbport' => '',
'dbtableprefix' => 'oc_',
'mysql.utf8mb4' => true,
'dbuser' => 'fddfdr',
'dbpassword' => *a hard password*
'installed' => true,
);
The output of your Apache/nginx/system log in /var/log/____:
[Fri Apr 09 15:15:22.782009 2021] [php7:warn] [pid 4101] [client 189.223.246.194:50458] PHP Warning: Unknown: POST Content-Length of 193 bytes exceeds the limit of 4 bytes in Unknown on line 0
