Error 0x000D104F

Value: 856143 | 0x000D104F | 856143

What does it mean ?

NS_S_WMG_FORCE_DROP_FRAME  
Drop this frame.
Value: 4175 | 0x104F | 0b0001000001001111

Where does it come from ?

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

Other Errors for FACILITY_MEDIASERVER