Error 0x80EE002A

Value: -2131886038 | 0x80EE002A | 2163081258

What does it mean ?

RTC_E_INVALID_SESSION_STATE  
Invalid session state
Value: 42 | 0x002A | 0b0000000000101010

Where does it come from ?

FACILITY_RTC_INTERFACE  
RTC - Real-time Communications
Value: 238 | 0x0EE | 0b11101110

Other Errors for FACILITY_RTC_INTERFACE