Error 0x8004504D

Value: -2147200947 | 0x8004504D | 2147766349

What does it mean ?

SPERR_STREAM_POS_INVALID  
Stream position information supplied from engine is inconsistent.
Value: 20557 | 0x504D | 0b0101000001001101

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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