Message type: E = Error
Message class:  FZ - Payment Transactions 
Message number: 621
Message text: > Company code-specific payment method data has been deleted
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The SAP error message FZ621 indicates that the company code-specific payment method data has been deleted or is missing. This error typically occurs when you attempt to process a payment or execute a transaction that requires specific payment method configurations for a particular company code, but those configurations are not available.
Cause: Deletion of Payment Method Data: The payment method data for the specified company code has been deleted or not maintained in the system. Incorrect Configuration: The payment method may not be properly configured for the company code in question. Transport Issues: If the configuration was transported from another system, it may not have included the necessary payment method data. Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the payment method data.
Solution: Check Payment Method Configuration: Go to the transaction code OBPM1 (for payment methods in company code) or FBZP (for payment program configuration). Verify that the payment method is correctly defined
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