Error 0x0004120C

Value: 266764 | 0x0004120C | 266764

What does it mean ?

PRTH_S_MAX_DOWNLOAD  
The file reached the maximum download limit. Check that the full text of the document can be meaningfully crawled.
Value: 4620 | 0x120C | 0b0001001000001100

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

Other Errors for FACILITY_ITF