If you're trying to make a proper story mission , here’s what’s missing and how to work around it:
: Navigate to the game page > Properties > Verify files .
: Go to your computer's "Apps & Features" or "Programs and Features" and uninstall Ubisoft Game Launcher Verify Game Files and go to your Right-click on and select Properties Navigate to Local Files Installed Files ) and click Verify integrity of game files Automatic Reinstall