Error 0xC00D1B9A

Value: -1072882790 | 0xC00D1B9A | 3222084506

What does it mean ?

NS_E_MISSING_SOURCE_INDEX  
A source index is missing from the output stream configuration.
Value: 7066 | 0x1B9A | 0b0001101110011010

Where does it come from ?

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

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