In any case, please, give as many details as you can.
For example, do you write just "This feature doesn't work" , write something like
1. I try this feature, that settings for it and so on
2. I expect it to output like this or that
3. but I get this
In any case, first of all try to run update. May be your issue has been fixed already.
READ ME
Re: READ ME
I think its this way by default... I mean it's a default PHPBB functionality
How does it act for you now?
How does it act for you now?
Don't forget to run script update