Finally I have succeeded to find an error message that give some hint. I don’t know what though…
{“reqId”:“9LF0M1bWf9RfMrDYzMwo”,“level”:3,“time”:“2020-11-05T21:29:47+00:00”,“remoteAddr”:“192.168.101.200”,“user”:“theo”,“app”:“PHP”,“method”:“GET”,“url”:"/index.php/apps/files/",“message”:{“Exception”:“Error”,“Message”:“Undefined offset: 3 at /var/www/html/lib/private/legacy/OC_Helper.php#548”,“Code”:0,“Trace”:[{“file”:"/var/www/html/lib/private/legacy/OC_Helper.php",“line”:548,“function”:“onError”,“class”:“OC\Log\ErrorHandler”,“type”:"::",“args”:[8,“Undefined offset: 3”,"/var/www/html/lib/private/legacy/OC_Helper.php",548,{“path”:"/",“rootInfo”:{“class”:“OC\Files\FileInfo”
“includeExtStorage”:false,“used”:16608273,“quota”:10737418240,“mount”:{“class”:“OC\Files\Mount\MountPoint”
“storage”:{“cache”:null,“scanner”:{“class”:“OC\Files\Cache\Scanner”
“watcher”:null,“propagator”:null,“updater”:null,“class”:“OCA\Files_Trashbin\Storage”
“sourceStorage”:{“cache”:null,“scanner”:{“class”:“OC\Files\Cache\Scanner”
“watcher”:null,“propagator”:null,“updater”:null,“class”:“OCA\Files_Trashbin\Storage”
“free”:10720809967,“total”:10737418240,“relative”:0.15,“ownerId”:“theo”,“ownerDisplayName”:“theo”,“owner”:{“class”:“OC\User\User”}}]
{“file”:"/var/www/html/apps/files/lib/Controller/ViewController.php",“line”:139,“function”:“getStorageInfo”,“class”:“OC_Helper”,“type”:"::",“args”:["/",{“class”:“OC\Files\FileInfo”}]
{“file”:"/var/www/html/apps/files/lib/Controller/ViewController.php",“line”:187,“function”:“getStorageInfo”,“class”:“OCA\Files\Controller\ViewController”,“type”:"->",“args”:[]
{“file”:"/var/www/html/lib/private/AppFramework/Http/Dispatcher.php",“line”:169,“function”:“index”,“class”:“OCA\Files\Controller\ViewController”,“type”:"->",“args”:["","",null,false]
{“file”:"/var/www/html/lib/private/AppFramework/Http/Dispatcher.php",“line”:100,“function”:“executeController”,“class”:“OC\AppFramework\Http\Dispatcher”,“type”:"->",“args”:[{“class”:“OCA\Files\Controller\ViewController”
“index”]
{“file”:"/var/www/html/lib/private/AppFramework/App.php",“line”:152,“function”:“dispatch”,“class”:“OC\AppFramework\Http\Dispatcher”,“type”:"->",“args”:[{“class”:“OCA\Files\Controller\ViewController”
“index”]
{“file”:"/var/www/html/lib/private/Route/Router.php",“line”:308,“function”:“main”,“class”:“OC\AppFramework\App”,“type”:"::",“args”:[“OCA\Files\Controller\ViewController”,“index”,{“class”:“OC\AppFramework\DependencyInjection\DIContainer”
{“action”:null,"_route":“files.view.index”}]
{“file”:"/var/www/html/lib/base.php",“line”:1009,“function”:“match”,“class”:“OC\Route\Router”,“type”:"->",“args”:["/apps/files/"]
{“file”:"/var/www/html/index.php",“line”:37,“function”:“handleRequest”,“class”:“OC”,“type”:"::",“args”:[]}],“File”:"/var/www/html/lib/private/Log/ErrorHandler.php",“Line”:91,“CustomMessage”:"–"
“userAgent”:“Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:82.0) Gecko/20100101 Firefox/82.0”,“version”:“20.0.1.1”}