Error 0x8027001D

Value: -2144927715 | 0x8027001D | 2150039581

What does it mean ?

COPYENGINE_E_PATH_TOO_DEEP_SRC  
Source Files within folders where the overall path is longer than MAX_PATH
Value: 29 | 0x001D | 0b0000000000011101

Where does it come from ?

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

Other Errors for FACILITY_SHELL