An error occurred while entering the map that was exported.

Steps to Reproduce:

 1.Export the file ".mcwolrd" to minecraft.

 2. I go to the game minecraft

 3. Trying to enter the world

 

 Observed Results:

 Gives an endless loading of "This my take a few moments"

 

 Expected Results:

 Just had to enter the world

 

It has nothing to do with the Internet connection. My device is a phone xiaomi redmi 8 64gb Android 10.