Solution : https://service.sap.com/sap/support/notes/448283 (SAP Service marketplace login required)
Key words :
system generates error message ea310, solution create data element cakey_field, idoc message categories cnpmas01, prerequisites data element cakey_feld, data element cakey_feld, idoc segment e2cuid, select radio button, segment type e1cuid, data element, segment e1cuid
Related Notes :
| 974537 | OBJECT_UNKNOWN for external call |