3run, please dont hijack threads, this was a discussion of a different problem and you are kindly asked to open a new thread and not just blurt out your problem in other peoples discussions.

And public beta or not, the error happens in your script, so you can check which line it is that crashes. You can use the new sys_marker function for finding the place. There are differences between A8 and A7, for instance A8 does not support collision with A6 levels anymore, so if you have compiled maps in A6 mode it will behave different.