empty folders

[mfibmm]

all sub folders of the labstreanbglaye are empty??

[agricolab]

That's a rather short description of the issue you face, but i assume you are struggling with submodules, as you must clone the repo recursively. See: https://labstreaminglayer.readthedocs.io/dev/full_tree.html#initial-cloning-checking-out-all-submodules