Error 0x80EE003F

Value: -2131886017 | 0x80EE003F | 2163081279

What does it mean ?

RTC_E_BASIC_AUTH_SET_TLS  
Must set transport to TLS if Basic Auth is allowed
Value: 63 | 0x003F | 0b0000000000111111

Where does it come from ?

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

Other Errors for FACILITY_RTC_INTERFACE