Sometimes you need to make a one-time correction to membership payments, like if you refund too much or just need to charge a few extra bucks for something. For this we recommend a "Membership Correction".
You simply create a new product in your shop named "Membership Correction" (or whatever you want). Set it to a One Time charge of $0, and make it hidden. Then you can use "Add Payment" and set the amount to whatever you need to charge the user.
Note: The user must have a recurring membership or an open tab for you to charge their account