I'm having the same problem here, does anybody know how to fix this?
First, sorry for my english, now go to the solution:
I had the same problem, but I have the solution. The problem is when the servers run MySql 5, on MySql 4.xx works perfect.
Well, you must add this code at line 87 in the quick_stockupdate.php file:
The result must be something like this:
If you want download the contribution fixed I upload an update here: http://addons.oscommerce.com/info/3542
Edited by buckman, 06 February 2008 - 23:09.