[SICSR-16239] abend changing offer group
Product Line:	P&C
Component/s:	Webservices
Affects Version/s:	SICS 4.7 SSP16
Fix Version/s:	SICS 4.9.4 SICS 4.7 SSP16 SIR5
**Issue Links: **	duplicates SICSR-16334
Customer:	Sirius International Insurance Corporation
External Issue ID:	UWT-524