⚠️ This issue respects the following points: ⚠️

• This is a bug, not a question or a configuration/webserver/proxy issue.
• This issue is not already reported on Github OR Nextcloud Community Forum (I've searched it).
• Nextcloud Server is up to date. See Maintenance and Release Schedule for supported versions.
• I agree to follow Nextcloud's Code of Conduct.

Bug description

A shared user cannot be removed from a Deck boad by the owner.
Additionally,the shared user cannot leave the board by themselves.

Steps to reproduce

1.Create a new board
2.Share the board with anothe Nextcloud user.
3.Try to remove that user from the board.
4.Log in as the shared user and try to leave the board/

Expected behavior

1.Owner should be able to remove sharee users.
2.Shared user should be able to leave the board.

Nextcloud Server version

30

Operating system

Debian/Ubuntu

PHP engine version

PHP 8.3

Web server

Apache (supported)

Database engine version

MySQL

Is this bug present after an update or on a fresh install?

None

Are you using the Nextcloud Server Encryption module?

Encryption is Disabled

What user-backends are you using?

• Default user-backend (database)
• LDAP/ Active Directory
• SSO - SAML
• Other

Configuration report

List of activated Apps

Nextcloud Signing status

Nextcloud Logs

Additional info

Tested on multiple browsers(Chrome , Vivaldi, Firefox), same behavior.
Issue occurs in both NC 30.0.12~ and NC 31.
Deck Version:　1.15.2