Error 0x800B0007

Value: -2146762745 | 0x800B0007 | 2148204551

What does it mean ?

DIGSIG_E_EXTENSIBILITY  
Reading / writing Extensions where Attributes are appropriate, and vice versa.
Value: 7 | 0x0007 | 0b0000000000000111

Where does it come from ?

FACILITY_CERT  
Certificate client or server
Value: 11 | 0x00B | 0b00001011

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