HOW TO FIX THE ERROR OR-CCSEH-05
When you give the option Add Debit or Credit Card, you tell me: Transaction rejected because the payment method is not valid Error OR-CCSEH-05
And with PayPal directly you do not accept it
I have 400$ in the account
go to Settings/Accounts/Google, Select your gmail and turn off sync. From your web browser, go to Google Wallet delete payment details and add it again. Go back to settings/Account/Google, select your gmail and click sync now. After few minutes, restart your device and try to see if the error still display.