In the Collaboration Hub (non-Velocity) using Chrome and with Fullscreen on as switched on by the arrows button in the user interface, the buttons for Overlays and Exit Fullscreen do not function as expected. The button to switch from Default to Compact view however does work as intended. The buttons function normally when in non-Fullscreen mode.
This is a known issue which has already been routed to our developers for further investigation. To request updates on this issue, please reference bug ticket #SPM-9086
KBA , BPI-SIG-HUB , SAP Signavio Process Collaboration Hub , Known Error