World Partition cells don't load properly

Hi everyone, i’m having a problem with world partition.
After i reopen the project and try to load the cells two of then simply dont shows up

image

Initially i thought that the cells were deleted for some reason, but that don’t seems to be true because they continue in the outliner

I’m new on the Unreal, sorry if is a dumb question but i don’t know what’s happening.
(And my english is a ■■■■, sorry about that)