If you have a pending charge or issue with your payment method, you will need to resolve it and allow it to complete before you can do anything else.
Make sure the payment method added to your account is verified and can be charged.
click here ➜ If you need to change or update your Apple ID payment method - Apple Support
If when you verify it, it is charged, you can request a refund for the charge once it completes.
click here ➜ Request a refund for apps or content that you bought from Apple - Apple Support
If your Apple ID is disabled, then follow the instructions in the support document linked below.
click here ➜ If a message says 'Your account has been disabled in the App Store and iTunes' - Apple Support