Solution : https://service.sap.com/sap/support/notes/1124488 (SAP Service marketplace login required)
Key words :
relevant ea-hr support package, ea-hr support package, missing payment card type, payment card company xy, system issues error message 56 591, credit card data, credit card security, create travel expenses, program error, travel management
Related Notes :
1066751 | Secure Handling of Credit Card Data in Travel Management |