Error 0x80EE0029

Value: -2131886039 | 0x80EE0029 | 2163081257

What does it mean ?

RTC_E_INVALID_SESSION_TYPE  
Invalid session type
Value: 41 | 0x0029 | 0b0000000000101001

Where does it come from ?

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

Other Errors for FACILITY_RTC_INTERFACE