Problem with [size=small]

[Waiter]

Ok... I install vBulletin 3.6.8 and it works great. I import from MyBB 1.2.2 and so... The code of SIZE are [size=small] instead: [size=2]...

The first post of this tread shows this problem:
http://tuttopes.net/forums/showthread.php?t=3493

How can a FIX this????

[Dismounted]

UPDATE post SET pagetext = REPLACE(pagetext, '[size=small]', '[size=2]')
Please remember to backup your database in case anything goes wrong.

[Lynne]

Your [ align=center ] tags don't work either.

[Waiter]

Your [ align=center ] tags don't work either.

How can I fix also this??? And all other tags???

--------------- Added 1207327718 at 1207327718 ---------------

UPDATE post SET pagetext = REPLACE(pagetext, '[size=small]', '[size=2]')
Please remember to backup your database in case anything goes wrong.

But I try to resolve in this way and the database give me an error... Do I change anything about the code that you give me??? For compatibility...

[Jase2]

Can't you use the cleaner.php file?

[Waiter]

And the cleaner.php what do????

[Jase2]

It cleans up inproper formatted code to match vBulletin's.