Setup fails if root object is missing

Before we could create it at the checks step, now we can’t because the setup attempts to save the config in the LDAP first.

(from redmine: issue id 3884, created on 2015-06-18, closed on 2015-06-23)

• Relations:
  • copied_to #3897
• Changesets:
  • Revision b8d270f4 by Côme Chilliet on 2015-06-22T22:38:05.000Z:

Fixes #3884 Setup fails if root object is missing

• Custom Fields:
  • Bug in version: 1.0.8.7
• Uploads:
  • 0001-Fixes-3884-Setup-fails-if-root-object-is-missing.patch