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XF 1.5 Thread defaults to a prefix and user's can not select no prefix


Formerly mugtree
I have set a forum to have a prefix by default but the user can click the little drop down and pick no prefix. How do I stop that please?



XenForo developer
Staff member
That option will always be there, but it sounds like you want to enable the "Require users to select a prefix" option for the forum.