Use LifecycleEventArgs::getObjectManager instead of LifecycleEventArgs::getEntityManager

src/CoreBundle/Entity/Listener/ResourceListener.php

@@ -55,6 +55,7 @@ class ResourceListener
 
     /**
      * Only in creation.
+     *
      * @throws Exception
      */
     public function prePersist(AbstractResource $resource, LifecycleEventArgs $eventArgs): void

src/CoreBundle/Entity/Listener/SessionListener.php

@@ -34,10 +34,12 @@ class SessionListener
 
     /**
      * This code is executed when a new session is created.
+     *
+     * @throws Exception
      */
     public function prePersist(Session $session, LifecycleEventArgs $args): void
     {
-        $em = $args->getEntityManager();
+        $em = $args->getObjectManager();
         if (0 === $session->getUrls()->count()) {
             // The AccessUrl was not added using $resource->addAccessUrl(),
             // try getting the URL from the session if possible.

src/CoreBundle/Entity/Listener/UserRelUserListener.php

@@ -56,7 +56,7 @@ class UserRelUserListener
     public function postRemove(UserRelUser $userRelUser, LifecycleEventArgs $args): void
     {
         // Deletes the other connection.
-        $em = $args->getEntityManager();
+        $em = $args->getObjectManager();
         $repo = $em->getRepository(UserRelUser::class);
         $connection = $repo->findOneBy(
             [