Error 0x80070157

Value: -2147024553 | 0x80070157 | 2147942743

What does it mean ?

ERROR_EXTERNAL_BACKING_PROVIDER_UNKNOWN  
The external backing provider is not recognized.
Value: 343 | 0x0157 | 0b0000000101010111

Where does it come from ?

FACILITY_WIN32  
Provides a way to handle error codes from functions in the Win32 API as an HRESULT. (Error codes in 16 - bit OLE that duplicated Win32 error codes have also been changed to FACILITY_WIN32)
Value: 7 | 0x007 | 0b00000111

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Other Errors for FACILITY_WIN32