Prince of Persia

I try to edit level in p1snesed, and in game, this happen when loose falls on open
http://prntscr.com/39mpiv

And I fall down there. Help to this bug pls? (Japan Rom.)

I will move your post to the Pr1SnesLevEd board in a couple of days.
Will leave it here for now, so you won't miss this message and think your post was deleted.
[Edit: Moved.]

It's a know problem, read that viewtopic.php?f=121&t=1654&start=60 it's explain how change that ( it's the tile 254 )

Thank you....... and Eagle-Head Priest too...