Basewars couldn't change gamemode

Hello im using the old version of basewars cause the new verison is no longer active/making i. I use the console and I type in Gamemode Basewars and it comes up with this Couldn’t change active gamemode - ‘Basewars’ not found Please Help. Tell me whats wrong with it

‘Tell me whats wrong with it’
Not until you give much, MUCH, MUUUUCH more info. IIRC The old version is ONLY for GMod 12.