Error 0x8001010F

Value: -2147417841 | 0x8001010F | 2147549455

What does it mean ?

RPC_E_THREAD_NOT_INIT  
CoInitialize has not been called on the current thread.
Value: 271 | 0x010F | 0b0000000100001111

Where does it come from ?

FACILITY_RPC  
RPC subsystem
Value: 1 | 0x001 | 0b00000001

Other Errors for FACILITY_RPC