Level Import Failed

I've been trying to import my *.mcworld file, but it won't work. Import starts with a "Level import started" message but is almost instantly followed by a "Level import failed" message.

Here is the world that I've been having issues with.

https://1drv.ms/u/s!Ai9JFXoznPUZg0-NBXx9pCxzadSR?e=U0TZQI