Error 0x8027001B

Value: -2144927717 | 0x8027001B | 2150039579

What does it mean ?

COPYENGINE_E_INVALID_FILES_SRC  
Invalid source path
Value: 27 | 0x001B | 0b0000000000011011

Where does it come from ?

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

Other Errors for FACILITY_SHELL