Error 0x80EE003D

Value: -2131886019 | 0x80EE003D | 2163081277

What does it mean ?

RTC_E_PROFILE_INVALID_SESSION_TYPE  
Invalid session type in profile
Value: 61 | 0x003D | 0b0000000000111101

Where does it come from ?

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

Other Errors for FACILITY_RTC_INTERFACE