3623181 - Process Collections Worklist App Id F0380 : Group by function for columns Collection group key or name not work

In FIORI app “Process Collections Worklist” (ID F0380) one try to display collection items assigned to another collection specialist. The result is displayed correctly, however when one use the group by function for the column “Group” representing the collection group assigned to the collection item. By doing so the entries in the list view are not grouped as expected. The list is showing the collections groups, but the items are not assigned correctly to the respective group. 

S/4HANA 2021, 2022 ,2023

KBA , FIN-FIO-CCD-COL , Fiori-UI for Collections and Dispute Management , FIN-FSCM-DM , Dispute Management , Problem