3772518 - udfMetaGroups Field Changes Unexpectedly from Empty Array to Null After UDF/Object Update

• After updating a UDF on a TimeEffort object via Business Rule, an additional update may occur where only the udfMetaGroups field changes from [] to null, no other fields are modified
• This unintended udfMetaGroups change may trigger a business rule unexpectedly

Fig. 1: Audit Logs entry showing the unexpected udfMetaGroups change.

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental. 

SAP Field Service and Asset Management

udfMetaGroups, TimeEffort, UDF update, softUpdate, UpdateObject, business rule, audit log, redundant update, empty array, null, Activity history, UDF field names, merge logic, Service API PATCH, FSM , KBA , CEC-SRV-FSM-BR , FSM Business Rules , Problem