Cannot Add Users to Share To: 404 error hitting sharees endpoint

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Or for longer, use three backticks above and below the code snippet:

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Nextcloud version (eg, 20.0.5): 25.0.3.2
Operating system and version (eg, Ubuntu 20.04): Ubuntu 22.04.1 LTS
Apache or nginx version (eg, Apache 2.4.25): Apache 2.4.54
PHP version (eg, 7.4): 8.0.27

The issue you are facing:
Attempting to share a Calendar or Deck board results in an infinitely loading list.

Is this the first time you’ve seen this error? (Y/N): N, error also existed on previous version (25.0.2)

Steps to replicate it:

  1. Open Nextcloud and navigate to Deck tab
  2. Select a board to share
  3. In the 3-dot menu, click Board Details which opens to the Sharing tab. Observe the infinitely loading spinner on the search bar.

The resulting API call returns 404 with the following message:

{"ocs":{"meta":{"status":"failure","statuscode":404,"message":"Invalid query, please check the syntax. API specifications are here: http:\/\/www.freedesktop.org\/wiki\/Specifications\/open-collaboration-services.\n"},"data":[]}}

There are a couple dated topics that are similar, but do not address this current issue:


The output of your Nextcloud log in Admin > Logging:

{"reqId":"EFZZuzr6kjBnvAXKp7zp","level":1,"time":"2023-01-25T02:50:42+00:00","remoteAddr":"","user":"--","app":"updater","method":"","url":"--","message":"\\OC\\Updater::startCheckCodeIntegrity: Starting code integrity check...","userAgent":"--","version":"25.0.2.3","data":{"app":"updater"}}
{"reqId":"EFZZuzr6kjBnvAXKp7zp","level":1,"time":"2023-01-25T02:51:08+00:00","remoteAddr":"","user":"--","app":"updater","method":"","url":"--","message":"\\OC\\Updater::finishedCheckCodeIntegrity: Finished code integrity check","userAgent":"--","version":"25.0.2.3","data":{"app":"updater"}}
{"reqId":"EFZZuzr6kjBnvAXKp7zp","level":1,"time":"2023-01-25T02:51:08+00:00","remoteAddr":"","user":"--","app":"updater","method":"","url":"--","message":"\\OC\\Updater::updateEnd: Update successful","userAgent":"--","version":"25.0.3.2","data":{"app":"updater"}}
{"reqId":"EFZZuzr6kjBnvAXKp7zp","level":1,"time":"2023-01-25T02:51:08+00:00","remoteAddr":"","user":"--","app":"updater","method":"","url":"--","message":"\\OC\\Updater::maintenanceDisabled: Turned off maintenance mode","userAgent":"--","version":"25.0.3.2","data":{"app":"updater"}}
{"reqId":"EFZZuzr6kjBnvAXKp7zp","level":1,"time":"2023-01-25T02:51:08+00:00","remoteAddr":"","user":"--","app":"updater","method":"","url":"--","message":"\\OC\\Updater::resetLogLevel: Reset log level to Warning(2)","userAgent":"--","version":"25.0.3.2","data":{"app":"updater"}}
<nothing is printed when trying to reproduce the error>

The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
https://pastebin.com/bGU9vDAP

The output of your Apache/nginx/system log in /var/log/____:

www-data@fb19c6d25b2f:/$ cat /var/log/apache2/error.log
AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 172.17.0.9. Set the 'ServerName' directive globally to suppress this message
[Tue Jan 24 18:52:35.053818 2023] [mpm_event:notice] [pid 134:tid 140611223104832] AH00489: Apache/2.4.54 (Debian) configured -- resuming normal operations
[Tue Jan 24 18:52:35.054099 2023] [core:notice] [pid 134:tid 140611223104832] AH00094: Command line: '/usr/sbin/apache2 -D FOREGROUND'
AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 172.17.0.3. Set the 'ServerName' directive globally to suppress this message
[Tue Jan 24 19:08:04.513602 2023] [mpm_event:notice] [pid 65:tid 140282479385920] AH00489: Apache/2.4.54 (Debian) configured -- resuming normal operations
[Tue Jan 24 19:08:04.513811 2023] [core:notice] [pid 65:tid 140282479385920] AH00094: Command line: '/usr/sbin/apache2 -D FOREGROUND'
[Tue Jan 24 19:08:15.426122 2023] [proxy_fcgi:error] [pid 69:tid 140282468427520] [client 127.0.0.1:33880] AH01067: Failed to read FastCGI header
[Tue Jan 24 19:08:15.426989 2023] [proxy_fcgi:error] [pid 69:tid 140282468427520] (104)Connection reset by peer: [client 127.0.0.1:33880] AH01075: Error dispatching request to :
AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 172.17.0.5. Set the 'ServerName' directive globally to suppress this message
[Tue Jan 24 19:10:22.411307 2023] [mpm_event:notice] [pid 81:tid 140560319475008] AH00489: Apache/2.4.54 (Debian) configured -- resuming normal operations
[Tue Jan 24 19:10:22.411507 2023] [core:notice] [pid 81:tid 140560319475008] AH00094: Command line: '/usr/sbin/apache2 -D FOREGROUND'