Error 0x80045029

Value: -2147200983 | 0x80045029 | 2147766313

What does it mean ?

SPERR_RULE_NAME_ID_CONFLICT  
A rule exists with matching IDs (names) but different names (IDs).
Value: 20521 | 0x5029 | 0b0101000000101001

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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