Error 0x80040045

Value: -2147221435 | 0x80040045 | 2147745861

What does it mean ?

TAPI_E_CALLCENTER_GROUP_REMOVED  
The ACD Proxy has removed this Group. Operations on this object are invalid.
Value: 69 | 0x0045 | 0b0000000001000101

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