Error 0x80045061

Value: -2147200927 | 0x80045061 | 2147766369

What does it mean ?

SPERR_REENTER_SYNCHRONIZE  
A SR engine called synchronize while inside of a synchronize call.
Value: 20577 | 0x5061 | 0b0101000001100001

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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