Nextcloud 13.01 settings entrance error

I get the following error when I log in settings
Request Code: PUOpnaxFEAGUuzeeGZlO

The server could not fulfill your request.

If this problem persists, please forward the following technical details to the server administrator.

You can get detailed information from the server log.

What was written to your log files?

I did not see anything in the log file

Neither to nextcloud.log nor to the PHP or NGINX access.log/error. log?! Is PHP working well?

PHP Log
root@cloud:/var/log# tail -f apache2/error.log
[Wed Apr 18 06:25:08.234455 2018] [mpm_prefork:notice] [pid 1445] AH00163: Apache/2.4.18 (Ubuntu) OpenSSL/1.0.2g configured – resuming normal operations
[Wed Apr 18 06:25:08.234480 2018] [core:notice] [pid 1445] AH00094: Command line: ‘/usr/sbin/apache2’
[Wed Apr 18 07:04:42.396120 2018] [mpm_prefork:notice] [pid 1445] AH00169: caught SIGTERM, shutting down
[Wed Apr 18 07:04:43.559651 2018] [mpm_prefork:notice] [pid 5261] AH00163: Apache/2.4.18 (Ubuntu) OpenSSL/1.0.2g configured – resuming normal operations
[Wed Apr 18 07:04:43.559726 2018] [core:notice] [pid 5261] AH00094: Command line: ‘/usr/sbin/apache2’
[mpm_prefork:notice] [pid 1445] AH00169: caught SIGTERM, shutting down
[Wed Apr 18 07:04:43.559651 2018]

If you want to link to TeamViewer

Carsten Rieger noreply@nextcloud.com şunları yazdı (18 Nis 2018 07:33):

riegerCLOUD https://help.nextcloud.com/u/riegercloud
April 18
Neither to nextcloud.log nor to the PHP or NGINX access.log/error. log?! Is PHP working well?

Yanıtlamak için konuyu ziyaret edin https://help.nextcloud.com/t/nextcloud-13-01-settings-entrance-error/30485/4 ya da bu e-postaya cevap verin.

Bu e-postaları almayı durdurmak için buraya tıklayın https://help.nextcloud.com/email/unsubscribe/e34623785f5f0ef9e9fc1bc7baa3272d9163663d11ad53ed0984bdf20f534944.

İdris KOÇ | UNIX/Linux System Administrator

please send mit your teamviewer-id and pwd per mail

thank you for your help

problem solved
the problem is solved because of your help
my action
/var/www/nextcloud/apps
rm -Rf onlyoffice/

delete onlyOffice app

I have the same error, delete the onlyOffice app like you put, but the problem continue.

Can you help me?