[BUGFIX] add ObjectStorage initialization to experieneLevel

Classes/Domain/Model/Job.php

@@ -47,8 +47,8 @@ class Job extends AbstractEntity {
 	protected $jobId = '';
 
 	/**
-  * @var ObjectStorage<FileReference>
-  */
+	 * @var ObjectStorage<FileReference>
+	 */
 	#[Lazy]
 	protected $attachment;
 
@@ -104,20 +104,20 @@ class Job extends AbstractEntity {
 	protected $sorting;
 
 	/**
-  * @var ObjectStorage<Company>
-  */
+	 * @var ObjectStorage<Company>
+	 */
 	#[Lazy]
 	protected $company;
 
 	/**
-  * @var ObjectStorage<Job>
-  */
+	 * @var ObjectStorage<Job>
+	 */
 	#[Lazy]
 	protected $relatedJobs;
 
 	/**
-  * @var ObjectStorage<ExperienceLevel>
-  */
+	 * @var ObjectStorage<ExperienceLevel>
+	 */
 	#[Lazy]
 	protected $experienceLevel;
 
@@ -188,9 +188,14 @@ class Job extends AbstractEntity {
 	 * Job constructor.
 	 */
 	public function __construct() {
+		$this->initializeObject();
+	}
+
+	public function initializeObject() {
 		$this->attachment = new ObjectStorage();
 		$this->company = new ObjectStorage();
 		$this->relatedJobs = new ObjectStorage();
+		$this->experienceLevel = new ObjectStorage();
 	}
 
 	/**
@@ -598,7 +603,6 @@ class Job extends AbstractEntity {
 		$this->experienceLevel = $experienceLevel;
 	}
 
-
 	/**
 	 * @param ExperienceLevel $experienceLevel
 	 * @return void