Error 0x80270029

Value: -2144927703 | 0x80270029 | 2150039593

What does it mean ?

COPYENGINE_E_ALREADY_EXISTS_NORMAL  
Destination exists, cannot replace
Value: 41 | 0x0029 | 0b0000000000101001

Where does it come from ?

FACILITY_SHELL  
User Shell
Value: 39 | 0x027 | 0b00100111

Other Errors for FACILITY_SHELL