Error 0xC00D1B7F

Value: -1072882817 | 0xC00D1B7F | 3222084479

What does it mean ?

NS_E_INVALIDCALL_WHILE_ENCODER_STOPPED  
This operation is only allowed during encoding.
Value: 7039 | 0x1B7F | 0b0001101101111111

Where does it come from ?

FACILITY_MEDIASERVER  
Windows Media Server
Value: 13 | 0x00D | 0b00001101

Other Errors for FACILITY_MEDIASERVER