When searching for an article after removing the main location generates a fatal error:
Fatal error: eZ Publish did not finish its request

Steps to reproduce

Create 2 folders

1. Login into ezflow admin as admin
2. Click on “Content Structure” on main tab
3. Create one folder “News”
4. Create one folder “Conference”
5. Click the “News” link to access the news folder
6. Create a new article:
Title:Article1
Summary: Summary of article 1

Add a new location for “Article1”

1. Click on the “Article1” link
2. Activate the “preview” if not already activated
3. Click on the “Location” tab
4. Click the “Add locations” button
5. Navigate to the above folder
6. Check the “Conference” folder
7. Click the “Select” button

Delete folder “News”

1. Click on “Content structure” on main tab
2. check the “News” folder
3. Click on “More actions” and select the “Remove selected” option
4. Uncheck the “Move to trash” checkbox
5. Click the “ok” button

Search for the “Article1”

1. On the search box, enter “Article1”
2. Click the Search button
3. Verify that the result of the search is the “Article” 1 in the “Conference” folder