i have broblem when i upgrade my fourm ?
 

i see the massage when i upgrade my fourm in (Step 3 of 5)


Database error in vBulletin 3.7.4:

Invalid SQL:
ALTER TABLE groupmessage ADD FULLTEXT INDEX gm_ft (title,pagetext);

MySQL Error : Column 'pagetext' cannot be part of FULLTEXT index
Error Number : -1
Request Date : Thursday, July 9th 2009 @ 01:49:45 AM
Error Date : Thursday, July 9th 2009 @ 01:49:45 AM
Script : http://www.alnsayem.com/vb33/install...0a2.php?step=3
Referrer :
IP Address : 82.167.67.103
Username :
Classname : vB_Database
MySQL Version :



what the broblem ?



:)