Alright so I'm working my first plugin and I'm attempting to use the register api to subtract from an account however I'm getting a null pointer after converting string argument to double. I've used many different ways of converting it however. I believe the issue is from the method I'm trying to use to subtract from the account. Does anyone have a allinone dummy subtract Method that I could possibly try? I'm just in the process of adding features at the moment. I currently have the Method onEnable and Disable. All that abstract is messing with my head.