19:47:30: ERROR[main]: Error loading mod "nether-master": modname does not follow naming conventions: Only chararacters [a-z0-9_] are allowed.
19:47:30: ERROR[main]: Server: Failed to load and run C:\Minetest\bin\..\mods\nether-master\init.lua
19:47:31: ERROR[main]: ModError: Failed to load and run C:\Minetest\bin\..\mods\nether-master\init.lua