diff --git a/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod/AccompanyingPeriodWork.php b/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod/AccompanyingPeriodWork.php
index 9152c96be..69f2c1216 100644
--- a/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod/AccompanyingPeriodWork.php
+++ b/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod/AccompanyingPeriodWork.php
@@ -12,7 +12,9 @@ declare(strict_types=1);
 namespace Chill\PersonBundle\Entity\AccompanyingPeriod;
 
 use Chill\MainBundle\Doctrine\Model\TrackCreationInterface;
+use Chill\MainBundle\Doctrine\Model\TrackCreationTrait;
 use Chill\MainBundle\Doctrine\Model\TrackUpdateInterface;
+use Chill\MainBundle\Doctrine\Model\TrackUpdateTrait;
 use Chill\MainBundle\Entity\Embeddable\PrivateCommentEmbeddable;
 use Chill\MainBundle\Entity\User;
 use Chill\PersonBundle\AccompanyingPeriod\SocialIssueConsistency\AccompanyingPeriodLinkedWithSocialIssuesEntityInterface;
@@ -34,6 +36,8 @@ use Symfony\Component\Validator\Constraints as Assert;
 #[ORM\Table(name: 'chill_person_accompanying_period_work')]
 class AccompanyingPeriodWork implements AccompanyingPeriodLinkedWithSocialIssuesEntityInterface, TrackCreationInterface, TrackUpdateInterface
 {
+    use TrackCreationTrait;
+    use TrackUpdateTrait;
     #[Serializer\Groups(['read', 'read:accompanyingPeriodWork:light'])]
     #[ORM\ManyToOne(targetEntity: AccompanyingPeriod::class)]
     #[Serializer\Context(normalizationContext: ['groups' => ['read']], groups: ['read:accompanyingPeriodWork:light'])]
@@ -50,10 +54,6 @@ class AccompanyingPeriodWork implements AccompanyingPeriodLinkedWithSocialIssues
     #[ORM\OrderBy(['startDate' => \Doctrine\Common\Collections\Criteria::DESC, 'id' => 'DESC'])]
     private Collection $accompanyingPeriodWorkEvaluations;
 
-    #[Serializer\Groups(['read', 'docgen:read', 'read:accompanyingPeriodWork:light'])]
-    #[ORM\Column(type: \Doctrine\DBAL\Types\Types::DATETIME_IMMUTABLE)]
-    private ?\DateTimeImmutable $createdAt = null;
-
     #[Serializer\Groups(['read', 'docgen:read', 'read:accompanyingPeriodWork:light'])]
     #[ORM\Column(type: \Doctrine\DBAL\Types\Types::BOOLEAN)]
     private bool $createdAutomatically = false;
@@ -62,11 +62,6 @@ class AccompanyingPeriodWork implements AccompanyingPeriodLinkedWithSocialIssues
     #[ORM\Column(type: \Doctrine\DBAL\Types\Types::TEXT)]
     private string $createdAutomaticallyReason = '';
 
-    #[Serializer\Groups(['read', 'docgen:read', 'read:accompanyingPeriodWork:light'])]
-    #[ORM\ManyToOne(targetEntity: User::class)]
-    #[ORM\JoinColumn(nullable: false)]
-    private ?User $createdBy = null;
-
     #[Serializer\Groups(['accompanying_period_work:create', 'accompanying_period_work:edit', 'read', 'docgen:read', 'read:accompanyingPeriodWork:light'])]
     #[Assert\GreaterThanOrEqual(propertyPath: 'startDate', message: 'accompanying_course_work.The endDate should be greater or equal than the start date')]
     #[ORM\Column(type: \Doctrine\DBAL\Types\Types::DATE_IMMUTABLE, nullable: true, options: ['default' => null])]
@@ -136,15 +131,6 @@ class AccompanyingPeriodWork implements AccompanyingPeriodLinkedWithSocialIssues
     #[ORM\JoinTable(name: 'chill_person_accompanying_period_work_third_party')] // In schema : intervenants
     private Collection $thirdParties;
 
-    #[Serializer\Groups(['read', 'docgen:read'])]
-    #[ORM\Column(type: \Doctrine\DBAL\Types\Types::DATETIME_IMMUTABLE)]
-    private ?\DateTimeImmutable $updatedAt = null;
-
-    #[Serializer\Groups(['read', 'docgen:read'])]
-    #[ORM\ManyToOne(targetEntity: User::class)]
-    #[ORM\JoinColumn(nullable: false)]
-    private ?User $updatedBy = null;
-
     #[Serializer\Groups(['read', 'accompanying_period_work:edit'])]
     #[ORM\Column(type: \Doctrine\DBAL\Types\Types::INTEGER, nullable: false, options: ['default' => 1])]
     #[ORM\Version]
@@ -231,11 +217,6 @@ class AccompanyingPeriodWork implements AccompanyingPeriodLinkedWithSocialIssues
         return $this->accompanyingPeriodWorkEvaluations;
     }
 
-    public function getCreatedAt(): ?\DateTimeImmutable
-    {
-        return $this->createdAt;
-    }
-
     public function getCreatedAutomatically(): ?bool
     {
         return $this->createdAutomatically;
@@ -246,11 +227,6 @@ class AccompanyingPeriodWork implements AccompanyingPeriodLinkedWithSocialIssues
         return $this->createdAutomaticallyReason;
     }
 
-    public function getCreatedBy(): ?User
-    {
-        return $this->createdBy;
-    }
-
     public function getEndDate(): ?\DateTimeInterface
     {
         return $this->endDate;
@@ -365,16 +341,6 @@ class AccompanyingPeriodWork implements AccompanyingPeriodLinkedWithSocialIssues
         return $this->getThirdParties();
     }
 
-    public function getUpdatedAt(): ?\DateTimeImmutable
-    {
-        return $this->updatedAt;
-    }
-
-    public function getUpdatedBy(): ?User
-    {
-        return $this->updatedBy;
-    }
-
     public function getVersion(): int
     {
         return $this->version;
@@ -470,13 +436,6 @@ class AccompanyingPeriodWork implements AccompanyingPeriodLinkedWithSocialIssues
         return $this;
     }
 
-    public function setCreatedAt(\DateTimeInterface $createdAt): self
-    {
-        $this->createdAt = $createdAt;
-
-        return $this;
-    }
-
     public function setCreatedAutomatically(bool $createdAutomatically): self
     {
         $this->createdAutomatically = $createdAutomatically;
@@ -491,13 +450,6 @@ class AccompanyingPeriodWork implements AccompanyingPeriodLinkedWithSocialIssues
         return $this;
     }
 
-    public function setCreatedBy(?User $user): self
-    {
-        $this->createdBy = $user;
-
-        return $this;
-    }
-
     public function setEndDate(?\DateTimeInterface $endDate = null): self
     {
         $this->endDate = $endDate;
@@ -539,18 +491,4 @@ class AccompanyingPeriodWork implements AccompanyingPeriodLinkedWithSocialIssues
 
         return $this;
     }
-
-    public function setUpdatedAt(\DateTimeInterface $datetime): TrackUpdateInterface
-    {
-        $this->updatedAt = $datetime instanceof \DateTime ? \DateTimeImmutable::createFromMutable($datetime) : $datetime;
-
-        return $this;
-    }
-
-    public function setUpdatedBy(User $user): TrackUpdateInterface
-    {
-        $this->updatedBy = $user;
-
-        return $this;
-    }
 }
diff --git a/src/Bundle/ChillPersonBundle/migrations/Version20250527122841.php b/src/Bundle/ChillPersonBundle/migrations/Version20250527122841.php
new file mode 100644
index 000000000..d9c285e00
--- /dev/null
+++ b/src/Bundle/ChillPersonBundle/migrations/Version20250527122841.php
@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Chill\Migrations\Person;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20250527122841 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Remove NOT NULL constraints for created and updated properties on accompanying period work';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql(<<<'SQL'
+            ALTER TABLE chill_person_accompanying_period_work ALTER createdby_id DROP NOT NULL
+        SQL);
+        $this->addSql(<<<'SQL'
+            ALTER TABLE chill_person_accompanying_period_work ALTER updatedby_id DROP NOT NULL
+        SQL);
+        $this->addSql(<<<'SQL'
+            ALTER TABLE chill_person_accompanying_period_work ALTER createdat DROP NOT NULL
+        SQL);
+        $this->addSql(<<<'SQL'
+            ALTER TABLE chill_person_accompanying_period_work ALTER updatedat DROP NOT NULL
+        SQL);
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql(<<<'SQL'
+            ALTER TABLE chill_person_accompanying_period_work ALTER createdAt SET NOT NULL
+        SQL);
+        $this->addSql(<<<'SQL'
+            ALTER TABLE chill_person_accompanying_period_work ALTER updatedAt SET NOT NULL
+        SQL);
+        $this->addSql(<<<'SQL'
+            ALTER TABLE chill_person_accompanying_period_work ALTER createdBy_id SET NOT NULL
+        SQL);
+        $this->addSql(<<<'SQL'
+            ALTER TABLE chill_person_accompanying_period_work ALTER updatedBy_id SET NOT NULL
+        SQL);
+    }
+}