In which case it sounds like you have some issue in the way you are zipping the sketches.
There is a maximum folder depth of 3 to be aware of with CREATE.
I also have a help file for this too. 
Importing sketches and libraries.pdf (285 KB)
In which case it sounds like you have some issue in the way you are zipping the sketches.
There is a maximum folder depth of 3 to be aware of with CREATE.
I also have a help file for this too.
Importing sketches and libraries.pdf (285 KB)