Are you using save states? If you are, turn off all hacks and don't load from the save state, since the data on it is already bad [or something. I wouldn't know].
Played this part multiple times. Unable to reproduce the OP's bug. This also includes the other crash mentioned at the battle tutorial.
Thank you for your report.
This bug report has now been marked as Invalid since it either was not reproducible, not a valid bug or otherwise unacceptable for fixing.
This thread will now be closed and moved in the Invalid/rejected/duplicate bug reports subforum.