Error 0x80040509

Value: -2147220215 | 0x80040509 | 2147747081

What does it mean ?

COLL_E_TOOMANYMERGECOLUMNS  
The data source merge exceeded the number of result columns.
Value: 1289 | 0x0509 | 0b0000010100001001
TF_E_EMPTYCONTEXT  
The context is empty.
Value: 1289 | 0x0509 | 0b0000010100001001

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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