[otrs] URGENT... after upgrade ticket # starts at 1

I have upgraded from 1.2.3. to 1.3.2 and now my ticket number starts at 1000001 but I had already counted up to 1012040 So, my old tickets will be overwritten!!! WHAT can I do? And HOW??? Urgent, please help, because my tickets are being overwritten right now!! Please mail me at: info@mercator.net Thanks, Marc