- [Fix deleting Custom Fields, removing broken references](https://github.com/wekan/wekan/issues/1872).
- [Fix deleting Custom Fields, removing broken references](https://github.com/wekan/wekan/issues/1872).

Thanks to Akuket and Clement87 !

Closes #1872

libreboard/libreboard,wekan/wekan,wekan/wekan,GhassenRjab/wekan,libreboard/libreboard,wekan/wekan,GhassenRjab/wekan,wekan/wekan,GhassenRjab/wekan,wekan/wekan