QAD QAD QXtend 1.8.8 > Install Guide > Troubleshooting QAD QXtend Installs, Upgrades, and Migrations > Environment Issues and Common Mistakes > No X11 DISPLAY Variable was Set
  
No X11 DISPLAY Variable was Set
This error appears when you try to run the install in a non-GUI console. To run the installer in console mode, add the -i console option to the command.