Assume that a relationship like below:
Collection A <=> Collection B <=> Collection C <=> Collection A. A triangular relationship.
When deletion setting given SET NULL. You can not delete document associated B or C. It gives internal error 500. Why?
TL;DR
Developers are experiencing internal error 500 when trying to delete documents associated with Collection B or C in a triangular relationship with Collection A due to the SET NULL deletion setting. This issue prevents the deletion of documents and needs to be addressed by the Appwrite Database team.