importblogcategory field missing on fresh new install
 

After installing new vBulletin, I tried import my blog categories however,,
impex cannot proceed further because I have 'importblogcategory' field was missing in 'blog_category' table..

same for blog table, `importblogid' field missing
same for blog_text table `importblogtextid` field missing...

what went wrong??