[Mark.B]

Originally Posted by haytham

When I try to check my PM or any other member tries to use the PM system, we get this error:
Database error in vBulletin 3.8.7:

Invalid SQL:
SELECT * FROM post_thanks AS post_thanks INNER JOIN user AS user USING (userid) WHERE post_thanks.postid IN () ORDER BY post_thanks.username ASC;

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 ') ORDER BY post_thanks.username ASC' at line 1
Error Number : 1064

Can any one explain please???

This version of the modification is for vB4.

You need the older 3.8 version - check Abe1's profile, it's listed there.