[tbworld]

Not sure this will be helpful in your situation.

I use a local test board, when I have problems like this. Having the server local allows me to see what the server response was to the client submit. I then add a php backtrace to the source script on the offending submit -- until I find where the application went wrong.

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Just in case

Check Dragonbyte's support site. You may find other users that have a similar problem.
Try not to run alpha software in a production environment.

If you do have a local server environment let me know and we can easily find out what is going on.

Good Luck