I enter the world but the game doesn't save, I've tried everything

When I upgraded to the beta version, the game had other bugs.

 

1. infinite boat bug

2. insect in water

3.Bug that cannot save my map

 

This map is extremely important to me, I hope you guys solve it

 

 

 Map:https://mega.nz/file/8mwWARzb#Q4gLDw-pE_FFWdfDURklqXBu62Cc_hwZWhiHkCqJZcg