Error 0x80030307

Value: -2147286265 | 0x80030307 | 2147681031

What does it mean ?

STG_E_CSS_KEY_NOT_PRESENT  
Copy Protection Error - The given sector does not have a valid CSS key.
Value: 775 | 0x0307 | 0b0000001100000111

Where does it come from ?

FACILITY_STORAGE  
OLE Storage. For status codes returned from IStorage or IStream method calls relating to structured storage. Status codes with code (lower 16 bits) values in the range of Windows error codes (that is, less than 256) have the same meaning as the corresponding Windows errors
Value: 3 | 0x003 | 0b00000011

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