Fix for 1b2df8d.

src/Skobkin/Bundle/PointToolsBundle/DataFixtures/ORM/LoadSubscribersData.php

@@ -32,6 +32,7 @@ class LoadSubscribersData extends AbstractFixture implements OrderedFixtureInter
         ];
 
         foreach ($users as $key => $user) {
+            if (array_key_exists($key, $subscriptions)) {
                 foreach ($subscriptions[$key] as $userId) {
                     $subscriber = $users[$userId];
                     $subscription = new Subscription($user, $subscriber);
@@ -41,6 +42,7 @@ class LoadSubscribersData extends AbstractFixture implements OrderedFixtureInter
                     $user->addSubscriber($subscription);
                 }
             }
+        }
 
         $om->flush();
     }