Database error in vBulletin 3.7.2

[shlomot]

Here comes my first SQL error after 3.7.2 upgrade.

Can anyone tip me on how to figure out which MOD is responsible for this error?

Database error in vBulletin 3.7.2:

Invalid SQL:
SELECT threadid FROM nlp_notifications_thread WHERE threadid=;

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 1
Error Number  : 1064
Request Date  : Wednesday, June 25th 2008 @ 05:24:21 AM
Error Date    : Wednesday, June 25th 2008 @ 05:24:21 AM
Script        : http://www.topsynergy.net/showthread.php?t=1681
Referrer      : 
IP Address    : 212.143.241.49
Username      : topsynergy
Classname     : vB_Database
MySQL Version : 4.1.14-standard