Error 0x80270261

Value: -2144927135 | 0x80270261 | 2150040161

What does it mean ?

E_SKYDRIVE_ROOT_TARGET_OVERLAP  
This location is already being used. Please choose a different location.
Value: 609 | 0x0261 | 0b0000001001100001

Where does it come from ?

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

Other Errors for FACILITY_SHELL