got this every time on join and usage. (climb)
[ERROR] addons/musicbox/lua/music/cl_main.lua:94: attempt to compare number with nil
1. unknown - addons/musicbox/lua/music/cl_main.lua:94
2. sort - [C]:-1
3. onsuccess - addons/musicbox/lua/music/cl_main.lua:92
4. unknown - lua/includes/modules/http.lua:34