Error 0x802A000C

Value: -2144731124 | 0x802A000C | 2150236172

What does it mean ?

UI_E_WRONG_THREAD  
This method can only be called from the thread that created the object.
Value: 12 | 0x000C | 0b0000000000001100

Where does it come from ?

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

StackOverflow

Other Errors for FACILITY_UI