Q: Due to a computer glitch, a credit card transaction was processed but does not show up in Campground Master. How to enter the payment without processing it again?
A: All you have to do is disable the processing option (uncheck the "Enable" box in Maintenance / Credit Card Processing Setup), then enter the credit card payment. Then go back to Processing Setup and re-enable processing. It won't try to process any payments you entered while processing was disabled.