min_trust_to_create_topic affects private messages

One of our customers complained that non-admin users where unable to send private messages.
Anyone (but admin) trying to message another user got a 403 Forbidden error.

This turned out to be caused by the min_trust_to_create_topic setting being set to TL 4. Setting it to a lower trust level solved the issue.

Given how PM’s are implemented, it makes sense. But it seems to me that this wasn’t exactly meant to work this way :smile:

The only thing that still puzzles me is that no one seems to have had an issue with this before.

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Probably a bug, @techapj can you add it to your list?

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Fixed via: