SAP Message WTADDI443 - Additional &1 is not assigned to external additional &2

Diagnosis
The procedure for anadditional can be assignedexternally by a customer. The external method must then be convertedinto an internal method. External method &V2& and internal method &V1&are not assigned to one another for customer &V3&.

System Response
INCLUDE ISR_VERARBEITUNG OBJECT DOKU ID TX

Procedure
Check your entry.
You can maintain ordisplay the assignment of external orinternal procedures for additionals here.