Error 0x8004531E

Value: -2147200226 | 0x8004531E | 2147767070

What does it mean ?

FSRM_E_INVALID_EMAIL_ADDRESS  
The specified email address is invalid.
Value: 21278 | 0x531E | 0b0101001100011110

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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