Error 0xC004C764

Value: -1073428636 | 0xC004C764 | 3221538660

What does it mean ?

SL_E_CHPA_UNKNOWN_PRODUCT_KEY_TYPE  
The activation server reported that the product key type is unknown.
Value: 51044 | 0xC764 | 0b1100011101100100

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

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