Game crashes after trade with players.dbf file...

I play dynasty with Miami "Heat". Now I have finished All-Star weekend.
In real life "Suns" and "Heat" made a trade. So I want to do the same trade in my dynasty, but then I try to do that trade in my game I receive answers that "Suns" does not want to accept that trade.
So I decided to make that trade in players.dbf file. I change players (S.O'neal, S.Marion, M.Banks) team ids, and position numbers and in game it works. But then I try to simulate all days before playoofs, on April month first day - game crashes. And Error tool says that something wrong with My Documents>NBA Live 08>database>workingdb>players.dbf.

How I can fix that problem?

Then I restore all players team ids and position numbers, everything works.

Sorry for my English...

You might have missed a few steps there. Please check out this tutorial for more information.

I change Cash_Team numbets, but still game crashes.

Maybe someone can try to do this trade. There my players.dbf file: http://www.zshare.net/download/738380322cecc5/

Did you follow the steps in the tutorial? Which program did you use to edit the database?

Given that the crash is occurring in the workingdb folder, you can simply try removing all the files in that folder (doing the same in currentdb is usually a good idea too) and/or replacing them with the original database files.

Ok, everything works I changed Shaq team id, pos number and team cash, S.Marion and M.Banks I made free agents and then in the game I sign them.

That's certainly another way of doing it when you control one of the teams.