[BUG] Error: This app cannot be enabled because it makes the server unstable

[MadWentzThere]

Is there an existing issue for this?

• [X] I have searched the existing issues

Current Behavior

Cannot enable Talk app on Nextcloud

Expected Behavior

Talk should enable

Steps To Reproduce

Click on Apps Scroll/Find "Talk" Click Download and Enable

Environment

- OS:
- How docker service was installed:

CPU architecture

x86-64

Docker creation

Unraid App Page

Container logs

{"reqId":"HsIXGNlVuoIVP5Sr9mNy","level":3,"time":"2024-04-08T18:49:51+00:00","remoteAddr":"172.18.0.1","user":"--","app":"no app in context","method":"GET","url":"/ocs/v2.php/cloud/user","message":"Could not decrypt or decode encrypted session data","userAgent":"Mozilla/5.0 (iOS) Nextcloud-iOS/5.2.5","version":"28.0.4.1","exception":{"Exception":"Exception","Message":"HMAC does not match.","Code":0,"Trace":[{"file":"/app/www/public/lib/private/Security/Crypto.php","line":119,"function":"decryptWithoutSecret","class":"OC\\Security\\Crypto","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/app/www/public/lib/private/Session/CryptoSessionData.php","line":90,"function":"decrypt","class":"OC\\Security\\Crypto","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/app/www/public/lib/private/Session/CryptoSessionData.php","line":67,"function":"initializeSession","class":"OC\\Session\\CryptoSessionData","type":"->"},{"file":"/app/www/public/lib/private/Session/CryptoWrapper.php","line":112,"function":"__construct","class":"OC\\Session\\CryptoSessionData","type":"->"},{"file":"/app/www/public/lib/base.php","line":449,"function":"wrapSession","class":"OC\\Session\\CryptoWrapper","type":"->"},{"file":"/app/www/public/lib/base.php","line":705,"function":"initSession","class":"OC","type":"::"},{"file":"/app/www/public/lib/base.php","line":1200,"function":"init","class":"OC","type":"::"},{"file":"/app/www/public/ocs/v1.php","line":31,"args":["/app/www/public/lib/base.php"],"function":"require_once"},{"file":"/app/www/public/ocs/v2.php","line":23,"args":["/app/www/public/ocs/v1.php"],"function":"require_once"}],"File":"/app/www/public/lib/private/Security/Crypto.php","Line":158,"message":"Could not decrypt or decode encrypted session data","exception":[],"CustomMessage":"Could not decrypt or decode encrypted session data"},"id":"66144260bf2e5"}

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[aptalca]

It's an upstream issue tracked there

[alexbelgium]

Hi, relevant PR upstream that should fix it : https://github.com/nextcloud/server/pull/44939

[alexbelgium]

Actually according to https://github.com/nextcloud/server/issues/44685 the solution is on the configuration of nginx, so the correction should be made here (haven't found out yet how)

[alexbelgium]

Actually, solution is simply to disable fastcgi_param front_controller_active true in https://github.com/linuxserver/docker-nextcloud/blob/f72ad27864a459ec5fcb0f86e49263e04b6a1e21/root/defaults/nginx/site-confs/default.conf.sample#L127

[dansity]

Actually, solution is simply to disable fastcgi_param front_controller_active true in

Do I need to do anything other than commenting this out? I have done it and restarted the docker. Still the same for me but now it is asking for the password before giving the same error.

[279308]

Actually, solution is simply to disable fastcgi_param front_controller_active true in

Do I need to do anything other than commenting this out? I have done it and restarted the docker. Still the same for me but now it is asking for the password before giving the same error.

you need to change it in

fastcgi_param front_controller_active true false

[dansity]

thank you, it should have been obvious. However the issue is still present to me even after setting it to false and restarting the docker.

edit: what worked for me is I went to the mysql database in adminer and changed the value in the oc_appconfig table from no to yes for the app I wanted.

[yzx1208]

thank you, it should have been obvious. However the issue is still present to me even after setting it to false and restarting the docker.

edit: what worked for me is I went to the mysql database in adminer and changed the value in the oc_appconfig table from no to yes for the app I wanted.

how to ?

[Raphty]

@yzx1208 adminer is a tool with which you can fairly easily navigate through databases https://hub.docker.com/_/adminer/

you connect to the database where you have you nextcloud tables and then open up the table list look for oc_appconfig and then navigate through the entries.

be careful! if you don't know what you are doing better don't!

[JYNXWARE]

Actually, solution is simply to disable fastcgi_param front_controller_active true in

https://github.com/linuxserver/docker-nextcloud/blob/f72ad27864a459ec5fcb0f86e49263e04b6a1e21/root/defaults/nginx/site-confs/default.conf.sample#L127

I found this worked for me. Just edit default.conf, not the .sample file

[LinuxServer-CI]

This issue has been automatically marked as stale because it has not had recent activity. This might be due to missing feedback from OP. It will be closed if no further activity occurs. Thank you for your contributions.

[alexbelgium]

PR is opened and waiting

[kesselb]

Some of those "This app cannot be enabled..." cases should be fixed by https://github.com/nextcloud/server/pull/45765 which was released with 29.0.3.