[shershen08]

i get the following MySQL error on install:

Database error in vBulletin 4.1.12:

Invalid SQL:
		SELECT t1.templateeditid AS templateeditid_1, t1.varname ,
t1.templateeditid AS templateeditid_1, t1.styleid AS styleid_1 ,
t2.templateeditid AS templateeditid_2, t2.styleid AS styleid_2 
		FROM forumtemplateedit AS t1 
LEFT JOIN forumtemplateedit AS t1 ON (t1.varname=t1.varname AND t1.styleid=-2)
LEFT JOIN forumtemplateedit AS t2 ON (t1.varname=t2.varname AND t2.styleid=5)
		WHERE t1.styleid = -1;

MySQL Error   : Not unique table/alias: 't1'
Error Number  : 1066
Request Date  : Saturday, April 13th 2013 @ 09:13:14 PM
Classname     : vB_Database
MySQL Version : 5.5.27-log

how i can handle this?