no have module named curve_cad

[DarthMoulByte]

i use my own fork of Blender 2.83 lts

when i try to active the addon , any idea to fix ?

[Lichtso]

The directory name of the add-on curve_cad-Update-to-2.80-master contains a dot and that seems to cause confusion (maybe interpreted as file extension). So, it seems to search for curve_cad-Update-to-2 which does not exist. Try renaming the directory to something without a dot.