Problem with Credit

Hi there,

I’ve a problem with Classifieds….I found that when Someone insert buy some credit and I create an AD..the system work correctly and it use the credit in depend of the week of the AD… That’s work properly …The problem is..When a User…after he has insert the ad…he try to modify it…He can’t..but when he save ..the credit go down as before….

This is not normal.. Can you hel me ????