Error 0x802A0101

Value: -2144730879 | 0x802A0101 | 2150236417

What does it mean ?

UI_E_STORYBOARD_ACTIVE  
The storyboard is currently in the schedule.
Value: 257 | 0x0101 | 0b0000000100000001

Where does it come from ?

FACILITY_UI  
User Interface
Value: 42 | 0x02A | 0b00101010

Other Errors for FACILITY_UI