What app is this about, and its version: Nextcloud, 31.0.10~ynh1
What YunoHost version are you running: 12.1.35
What type of hardware are you using: Raspberry Pi 3, 4+
Describe your issue
After a failed upgrade, I reinstalled Nextcloud and now I’m seeing the
“Welcome to nginx!” page at the nextcloud app or “404 Not Found” at https://mydomain.tld/nextcloud/apps/dashboard.
Share relevant logs or error messages
At this moment, I don’t know which logs are relevant.
/var/log/nextcloud.log
{"reqId":"KYGnHVShurQWYSOfuqNQ","level":3,"time":"2025-11-17T12:57:43+00:00",
"remoteAddr":"20.171.140.78","user":"--",
"app":"no app in context","method":"GET","url":"/1.php",
"message":"Could not decrypt or decode encrypted session data",
"userAgent":"--","version":"31.0.10.2",
"exception":{"Exception":"Exception","Message":"HMAC does not match.",
"Code":0,"Trace":[{"file":"/var/www/nextcloud/lib/private/Security/Crypto.php",
"line":98,"function":"decryptWithoutSecret","class":"OC\\Security\\Crypto",
"type":"->","args":["*** sensitive parameters replaced ***"]},
{"file":"/var/www/nextcloud/lib/private/Session/CryptoSessionData.php",
"line":70,"function":"decrypt","class":"OC\\Security\\Crypto",
"type":"->","args":["*** sensitive parameters replaced ***"]},
{"file":"/var/www/nextcloud/lib/private/Session/CryptoSessionData.php",
"line":47,"function":"initializeSession",
"class":"OC\\Session\\CryptoSessionData",
"type":"->"},
{"file":"/var/www/nextcloud/lib/private/Session/CryptoWrapper.php",
"line":94,"function":"__construct","class":"OC\\Session\\CryptoSessionData",
"type":"->"},{"file":"/var/www/nextcloud/lib/base.php",
"line":418,"function":"wrapSession","class":"OC\\Session\\CryptoWrapper",
"type":"->"},{"file":"/var/www/nextcloud/lib/base.php",
"line":690,"function":"initSession","class":"OC",
"type":"::"},{"file":"/var/www/nextcloud/lib/base.php",
"line":1194,"function":"init","class":"OC",
"type":"::"},{"file":"/var/www/nextcloud/index.php",
"line":22,"args":["/var/www/nextcloud/lib/base.php"],
"function":"require_once"}],
"File":"/var/www/nextcloud/lib/private/Security/Crypto.php",
"Line":162,"message":"Could not decrypt or decode encrypted session data",
"exception":{},
"CustomMessage":"Could not decrypt or decode encrypted session data"}}
