SAP Message RU421 - Application indicator is missing or has the wrong value

Diagnosis
The parameter APPLICATION_FLAG contains a value that is either notsupported or is initial.

System Response
A confirmation can only be processed if it is can be assignedunambiguously to an application using the parameter APPLICATION_FLAG.

Procedure
The system supports the following:

  • 1 = HR

  • 2 = PP

  • 3 = PM

  • 4 = PS

  • 5 = PP-PK

  • 6 = PP-PI.