Database error in creating BBCODE

[marcos_]

Database error in vBulletin 3.6.7:

Invalid SQL:
SELECT userid FROM post where threadid = AND userid = 50;

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 'AND userid = 50' at line 1
Error Number : 1064
Date : Tuesday, May 13th 2008 @ 05:51:45 PM
Script : http://www.********.com/admincp/bbcode.php?do=modify
Referrer : http://www.********.com/admincp/index.php?do=nav
IP Address : ---------
Username : -------
Classname : -------



I want to make a bb code. i pressed create then this warning shown on the panel.

why? and how to i fix it?

note: vB 3.6.7

[Lynne]

It might help if we see your code.

[marcos_]

only hide tag.

{param}

etc

[Lynne]

If you are getting this error from a modification your installed, then you need to post in the modification thread for help.