3495150 - Changes on Group Input control causes unexpected element error

• Can't perform changes in Input Controls Group in Webi Report;
• When creating a new WebI report or modifying current WebI report with Group Input control, once you create a new Group of Input Controls and add any element, it will appear as "hidden object" with a Red X beside it;
• Try to make any change to the Input Control Group, the following error appears: "Error unexpected element (uri:"", local: "is ObjectHidden"). Expected elements are <{}calendar>, <{}assignedReportElements>, <{}slider>,..."

SAP BusinessObjects Business Intelligence platform 4.3 SP04 Patch300

WebI, Input Control, Input Control Group, change, unexpected element, ObjectHidden, , KBA , BI-RA-WBI , Web Intelligence , Problem