Problem with vBGallery
 

Hello,
I have Photopost vBGallery and it was working very good , now i have same thing wrong with new user regist in my forum , it is shown under there nick names they are a "Guest" and when i enter to there profile i got this error ?
If i disaple the gallery everything work fine !

Code:
Database error in vBulletin 3.8.2:

Invalid SQL:

SELECT MAX(dateline) AS lastpost, COUNT(*) AS total
FROM usernote AS usernote
WHERE userid =;

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 3
Error Number : 1064
Request Date : Saturday, July 31st 2010 @ 10:40:50 PM
Error Date : Saturday, July 31st 2010 @ 10:40:50 PM
Script : http://www.++++++.++/vb/member.php?u=1741
Referrer : http://www.+++++.***/vb/index.php
IP Address : **.***.**.***
Username : +++++
Classname : vB_Database
MySQL Version : 5.1.47-community-log
I hope anyone can help me