MyBB Community Forums

I have conveted my forum to mybb from phpbb3.. all things have done correctly but after fetching aatchments i came to last step cleanup... and then it is currently giving error .. Internal Server Error. This is server problem i know but have anyone any idea that what is the thing which is giving problem like it??? I have checked that there are so many people had same problem but didn't find any solution so i came to mybb forums so please help me what to do... i am unable to run last step..

My all data are correctly imported in mybb and i can access mybb also but ... what is cleanup process and also what about my phpbb3 plugins? all plugins unusable now in mybb..?

Please help me.

Thanks
Ankur

They are aware of the issue, it seems to be a bad header.

Check my thread on it here:
http://community.mybboard.net/thread-57347.html