Issue: Invalid SQL error on step 10 of installation

Warning: array_keys() [function.array-keys]: The first argument should be an array in [path]/vault/install/install_functions.php on line 86

Warning: implode() [function.implode]: Invalid arguments passed in [path]/vault/install/install_functions.php on line 86

Database error in vBulletin 3.8.5:

Invalid SQL:

		UPDATE vb6_usergroup
		SET vault_permissions = CASE usergroupid
			WHEN 1 THEN 419
	WHEN 2 THEN 419
	WHEN 3 THEN 419
	WHEN 4 THEN 419
	WHEN 5 THEN 419
	WHEN 6 THEN 511
	WHEN 7 THEN 511
	WHEN 8 THEN 419
	WHEN 29 THEN 419
	WHEN 30 THEN 419
	WHEN 23 THEN 419
	WHEN 14 THEN 419
	WHEN 26 THEN 419
	WHEN 22 THEN 419
	WHEN 21 THEN 419
	WHEN 12 THEN 419
	WHEN 27 THEN 419
	WHEN 16 THEN 419
	WHEN 33 THEN 419
	WHEN 13 THEN 419
	WHEN 32 THEN 419
	WHEN 35 THEN 419
			END,
	specialpage_permissions = CASE usergroupid
			WHEN 1 THEN 254
	WHEN 2 THEN 254
	WHEN 3 THEN 254
	WHEN 4 THEN 254
	WHEN 5 THEN 254
	WHEN 6 THEN 255
	WHEN 7 THEN 255
	WHEN 8 THEN 254
	WHEN 29 THEN 254
	WHEN 30 THEN 254
	WHEN 23 THEN 254
	WHEN 14 THEN 254
	WHEN 26 THEN 254
	WHEN 22 THEN 254
	WHEN 21 THEN 254
	WHEN 12 THEN 254
	WHEN 27 THEN 254
	WHEN 16 THEN 254
	WHEN 33 THEN 254
	WHEN 13 THEN 254
	WHEN 32 THEN 254
	WHEN 35 THEN 254
			END,
	vault_misc = CASE usergroupid
			WHEN 1 THEN 0
	WHEN 2 THEN 0
	WHEN 3 THEN 0
	WHEN 4 THEN 0
	WHEN 5 THEN 0
	WHEN 6 THEN 3
	WHEN 7 THEN 3
	WHEN 8 THEN 0
			END
		WHERE usergroupid IN ();

MySQL Error   : You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 60
Error Number  : 1064
Request Date  : Sunday, September 5th 2010 @ 09:20:12 PM
Error Date    : Sunday, September 5th 2010 @ 09:20:12 PM
Script        : /vault/install/install.php?step=10
Referrer      : /vault/install/install.php?step=9
Username      : Alfa1
Classname     : vB_Database
MySQL Version : 5.0.90-log