SAP ABAP Function Module ISU_PERIOD_PRESERVE_R521 (Neue Musterzeilen nur am Periodenende zulassen) is using

• Data Element (5)
• Table/Structure Field (23)
• Function Module (4)
• Message Class (1)
• Message Number (1)
• Table (7)

#	Object Type	Object Name	Object Description	Note
1	Message Number	E9 - 898	Unexpected ELSE case: field &1 with value &2 (&3 &4)