Application crashes when converting world to bedrock

Ps4 just recently got Bedrock. Which is amazing and I was so excited for. Until I quickly realized it made Minecraft on ps4 unplayable. It's utterly broken. When I try to convert my world to bedrock to continue playing it, it crashed the game at 84% every time. So unless I play the older edition, I can't play my world that I've hundreds of hours of work into. And I hear trying to play the older edition on ps4 crashes the game as well.