Duplicate Thread Prefix and New Forums


Well-known member
I have a set of 4 prefixes:

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All of them have the "Forums and Permissions" like this:

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So, now i will create a new forum and give this new forum permission to use all of my prefixes:

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But when i enter the forum, and create a new thread, there is no option for prefixes and also, when i get back to edit the Thread Prefixes in this forum, all the prefixes are unchecked.

This is normal? I have to go in the prefixes and add Forum 7 in the "Forums and Permissions" to my new forum use the prefixes?

I didnt find any other thread. Sorry if it is duplicated.