Error 0xC00D6D60

Value: -1072861856 | 0xC00D6D60 | 3222105440

What does it mean ?

MF_E_TRANSFORM_TYPE_NOT_SET  
A valid type has not been set for this stream or a stream that it depends on.
Value: 28000 | 0x6D60 | 0b0110110101100000

Where does it come from ?

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

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