You'll need to explain your issue more clearly if you want assistance from the Community Forum.
Are you saying that you can't use cash credit on your account to buy a membership plan?
This should be possible as long as the amount of cash credit on your account is greater than or equal to the cost of whatever you're trying to buy.
Or do you mean that you bought a plan using cash credit but it doesn't work?
Please provide more details about your issue.
If you need to contact 48 support about this then see the links in my signature below.
