Also the console is flooded with error messages like "Coroutine couldn't be started because the game object 'Bot22' is inactive!" and I don't know what that means.
Have this too. You said you use AI Limit. Bots outside of your range setting will be deactivated (these are the inactive ones). Btw don't get confused if the bot number increase (when you read something like "... Bot130 is inactive"). The count in the console just dont stop until you restart the game. Its not the actual amount of bots in your raid.