Error 0x80045021

Value: -2147200991 | 0x80045021 | 2147766305

What does it mean ?

SPERR_DUPLICATE_RESOURCE_NAME  
A resource name was duplicated for a given rule.
Value: 20513 | 0x5021 | 0b0101000000100001

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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