here are the logs after enableing the debug-mode. The Site is now fully chrashed.
Error 404GET /assets/forum-ffdc15b9.js HTTP/1.0 http://support.stadtlandnetz.de/ Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36 1.25 K
Error 404 GET /assets/forum-en-df77f08d.js HTTP/1.0 http://support.stadtlandnetz.de/ Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36 1.25 K
Error 500 GET /favicon.ico HTTP/1.0 http://support.stadtlandnetz.de/ Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36 370 Apache-Zugriff
2017-03-01 20:51:26
Warning AH01071: Got error 'PHP message: PHP Warning: unlink(/var/www/vhosts/s-via.de/support.stadtlandnetz.de/assets/forum-68877dcd.js): Permission denied in /var/www/vhosts/s-via.de/support.stadtlandnetz.de/vendor/flarum/core/src/Asset/RevisionCompiler.php on line 90\nPHP message: PHP Warning: file_put_contents(/var/www/vhosts/s-via.de/support.stadtlandnetz.de/assets/forum-ffdc15b9.js): failed to open stream: Permission denied in /var/www/vhosts/s-via.de/support.stadtlandnetz.de/vendor/flarum/core/src/Asset/RevisionCompiler.php on line 98\nPHP message: PHP Warning: unlink(/var/www/vhosts/s-via.de/support.stadtlandnetz.de/assets/forum-en-deb59aba.js): Permission denied in /var/www/vhosts/s-via.de/support.stadtlandnetz.de/vendor/flarum/core/src/Asset/RevisionCompiler.php on line 90\nPHP message: PHP Warning: file_put_contents(/var/www/vhosts/s-via.de/support.stadtlandnetz.de/assets/forum-en-df77f08d.js): failed to open stream: Permission denied in /var/www/vhosts/s-via.de/support.stadtlandnetz.de/vendor/flarum/core/src/Asset/RevisionCompiler.php on line 98\n'