Error 0x800A0D27

Value: -2146824921 | 0x800A0D27 | 2148142375

What does it mean ?

adErrObjectInCollection  
Error ADO: Object is already in collection. Cannot append.
Value: 3367 | 0x0D27 | 0b0000110100100111

Where does it come from ?

FACILITY_CONTROL  
Used by OLE controls. You can find a complete list of the error codes in OLECTL.H - errors from: VB, VBScript, JScript, ADO, third party controls
Value: 10 | 0x00A | 0b00001010

Other Errors for FACILITY_CONTROL