Tatiana5

Please describe your issue more detailed What is your exact phpBB version? (e.g. 3.3.0) What is your phpBB style? (e.g. Prosilver) And please list all extensions installed on your phpBB.

Forum link and test account, please

What's in the error log on the server? What comes in response to an Ajax request? (This can be viewed in the browser after the request is made)