Yes, he used wrong cmd he was doing /lock instead of /locknick. He did on Mix. Is it lock at Race also? Its global so you only have to do it once. Ok then, the problem fixed.
idk but SkyNet will upload it directly, he told me to test any race map and he will upload directly since he is busy with his job. and Ask SDK about 1 map uploader for race xD
Something wrong with your music.lua I tried to fix it but i didn't know how xD while playing you can't turf off the song by pressing M. Try to check it,