Symptom
You are trying to add new entries into SSCUI 102530 Maintain Settings for Event-Based Revenue Recognition.
You met error when clicking save button:
Invalid namespace for Rule number
Message no. /FTI/WEBGUI_MSG031
Environment
SAP S/4HANA Cloud Public Edition
Reproducing the Issue
Enter new entry in SSCUI 102530 Maintain Settings for Event-Based Revenue Recognition.
Cause
The namespace you used is not allowed by SAP default setting.
Sequence field allows 4 digits number, when you enter 1, for example, it is interpreted as 0001.
Number starts with '0' is considered as SAP Reserved numeric fields, which is a namespace restricted for SAP.
Resolution
Kindly use the rule number like 1000 - 1999.
Keywords
/FTI/WEBGUI_MSG 031, namespace, invalid, rule, revenue recognition, source, assignment. , KBA , CO-PC-OBJ-EBR-2CL , Event-Based Revenue Recognition (Public Cloud) , How To