Error 0x80270256

Value: -2144927146 | 0x80270256 | 2150040150

What does it mean ?

E_MULTIPLE_PACKAGES_FOR_FAMILY  
This app's package family has more than one package installed. This is not supported.
Value: 598 | 0x0256 | 0b0000001001010110

Where does it come from ?

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

Other Errors for FACILITY_SHELL