Error 0x803D0000

Value: -2143485952 | 0x803D0000 | 2151481344

What does it mean ?

WS_E_INVALID_FORMAT  
The input data was not in the expected format or did not have the expected value.
Value: 0 | 0x0000 | 0b0000000000000000

Where does it come from ?

FACILITY_WEBSERVICES  
Web Services
Value: 61 | 0x03D | 0b00111101

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