Boyum Pack Issue: User group screen can't update on HANA if you have two users with same username but different casing

If you in HANA have two users with the same username but in a different casing (we have asked SAP Support and they claim that this is a feature and not a bug.) Please vote for this if you also disagree with SAP Support: https://ideas.sap.com/D38598

This issue has been fixed in B1UP 2016.11 HF1 (http://www.boyum-it.com/sbo)