Nextcloud version : Updater 17.02. to 18.0.3
Operating system and version : Trisquel 7.0 LTS Belenos
Apache or nginx version : Nginx 1.13.1
PHP version : 7.3.1
2020/03/29 13:21:29 [error] 5354#0: *366232 FastCGI sent in stderr: "PHP message: {"reqId":"vxAQif1HNYbvwLhirDV4","level":0,"time":"2020-03-29T11:21:29+00:00","user":"bichomen","app":"no app in context","method":"GET","url":"/index.php/apps/files/","message":"Deprecated event type for OCA\\Files::loadAdditionalScripts: Symfony\\Component\\EventDispatcher\\GenericEvent","userAgent":"Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:74.0) Gecko/20100101 Firefox/74.0","version":"18.0.3.0"}PHP message: {"reqId":"vxAQif1HNYbvwLhirDV4","level":0,"time":"2020-03-29T11:21:29+00:00","user":"bichomen","app":"no app in context","method":"GET","url":"/index.php/apps/files/","message":"Deprecated event type for OCA\\Files::loadAdditionalScripts: Symfony\\Component\\EventDispatcher\\GenericEvent","userAgent":"Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:74.0) Gecko/20100101 Firefox/74.0","version":"18.0.3.0"}PHP message: {"reqId":"vxAQif1HNYbvwLhirDV4","level":0,"time":"2020-03-29T11:21:29+00:00","user":"bichomen","app":"no app in context","method":"GET","url":"/index.php/apps/files/","message":"Deprecated event type for OCA\\Files::loadAdditionalScripts: Symfony\\Component\\EventDispatcher\\GenericEvent","userAgent":"Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:74.0) Gecko/20100101 Firefox/74.0","version":"18.0.3.0"}PHP message: {"reqId":"vxAQif1HNYbvwLhirDV4","level":0,"time":"2020-03-29T11:21:29+00:00","user":"bichomen","app":"no app in context","method":"GET","url":"/index.php/apps/files/","message":"Deprecated event type for OCA\\Files::loadAdditionalScripts: Symfony\\Component\\EventDispatcher\\GenericEvent","userAgent":"Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:74.0) Gecko/20100101 Firefox/74.0","version":"18.0.3.0"}PHP message: {"reqId":"vxAQif1HNYbvwLhirDV4","level":0,"time":"2020-03-29T11:21:29+00:00","user":"bichomen","app":"no app in context","method":"GET","url":"/index.php/a
2020/03/29 13:21:29 [error] 5354#0: *366232 upstream sent too big header while reading response header from upstream, client: 95.169.226.131, request: "GET /index.php/apps/files/ HTTP/2.0", upstream: "fastcgi://unix:/var/run/php/nc.sock:",
After version upgrade I got this error, I don’t know how to reverse the upgrade or how to fix it.