DuplicateSiteNavigationMenuException when importing site with Default navigation menu

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: Master
• Component/s: Navigation Menus
• Labels:
  • 7.1-must
• Fix Priority: 5

1. Create "site1"
2. Go to Build > Pages and add "page1"
3. Go to Publishing > Export and export site1, make sure Navigation Menus are included
4. Create "site2"
5. Go to Build > Pages and add "page2"
6. Go to Publishing > Import and import the LAR created in step 3., make sure Navigation Menus are imported

Expected result: Import succeeds, page2 and page1 are both displayed on the default navigation menu

Actual result: Import fails with DuplicateSiteNavigationMenuException

The name of a site navigation menu should be unique within a group, and it's being validated upon addition even for the Default menu. It should be decided how the application should behave in this case.