Solution : https://service.sap.com/sap/support/notes/309689 (SAP Service marketplace login required)
Key words :
additional key words np61, receive error message n6654, related star diagnoses exist, error message appears, warning message appears, source code correction, related star diagnoses, enter star diagnoses, cross-star notation, deleting cross diagnoses
Related Notes :
307662 | IS-H: NP61, saving not possible during warning 653 |
200200 | IS-H: Active collective note- errors in 4.61A |