Error 0xC00D521B

Value: -1072868837 | 0xC00D521B | 3222098459

What does it mean ?

MF_E_TOPO_SINK_ACTIVATES_UNSUPPORTED  
The topology loader does not support sink activates on output nodes.
Value: 21019 | 0x521B | 0b0101001000011011

Where does it come from ?

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

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