Add second parameter to add-, get-, hasReference() methods in fixture classes

src/Bundle/ChillAsideActivityBundle/src/DataFixtures/ORM/LoadAsideActivity.php

@@ -43,7 +43,7 @@ class LoadAsideActivity extends Fixture implements DependentFixtureInterface
                 ->setUpdatedAt(new \DateTimeImmutable('now'))
                 ->setUpdatedBy($user)
                 ->setType(
-                    $this->getReference('aside_activity_category_0')
+                    $this->getReference('aside_activity_category_0', null)
                 )
                 ->setDate((new \DateTimeImmutable('today'))
                     ->sub(new \DateInterval('P'.\random_int(1, 100).'D')));