Error 0x000D135E

Value: 856926 | 0x000D135E | 856926

What does it mean ?

NS_S_NAVIGATION_COMPLETE_WITH_ERRORS  
There were problems completing the requested navigation. There are identifiers missing in the catalog.
Value: 4958 | 0x135E | 0b0001001101011110

Where does it come from ?

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

Other Errors for FACILITY_MEDIASERVER