diff --git a/.changes/unreleased/Fixed-20231129-113458.yaml b/.changes/unreleased/Fixed-20231129-113458.yaml
new file mode 100644
index 000000000..e2d74d98e
--- /dev/null
+++ b/.changes/unreleased/Fixed-20231129-113458.yaml
@@ -0,0 +1,5 @@
+kind: Fixed
+body: Fix error when posting an empty comment on an accompanying period.
+time: 2023-11-29T11:34:58.986983057+01:00
+custom:
+  Issue: "214"
diff --git a/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod/Comment.php b/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod/Comment.php
index 81a84c64a..c972f453a 100644
--- a/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod/Comment.php
+++ b/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod/Comment.php
@@ -41,7 +41,7 @@ class Comment implements TrackCreationInterface, TrackUpdateInterface
     private ?AccompanyingPeriod $accompanyingPeriod = null;
 
     /**
-     * @ORM\Column(type="text")
+     * @ORM\Column(type="text", nullable=false, options={"default":""})
      *
      * @Groups({"read", "write", "docgen:read"})
      *
diff --git a/src/Bundle/ChillPersonBundle/Form/AccompanyingCourseCommentType.php b/src/Bundle/ChillPersonBundle/Form/AccompanyingCourseCommentType.php
index 9107ef61e..897fa36c0 100644
--- a/src/Bundle/ChillPersonBundle/Form/AccompanyingCourseCommentType.php
+++ b/src/Bundle/ChillPersonBundle/Form/AccompanyingCourseCommentType.php
@@ -26,6 +26,7 @@ class AccompanyingCourseCommentType extends AbstractType
     {
         $builder->add('content', ChillTextareaType::class, [
             'required' => false,
+            'empty_data' => '',
         ]);
     }
 
diff --git a/src/Bundle/ChillPersonBundle/migrations/Version20231128143534.php b/src/Bundle/ChillPersonBundle/migrations/Version20231128143534.php
new file mode 100644
index 000000000..5ec19392a
--- /dev/null
+++ b/src/Bundle/ChillPersonBundle/migrations/Version20231128143534.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\Migrations\Person;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20231128143534 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Set a default for the content column of accompanying_period_comment';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql("UPDATE chill_person_accompanying_period_comment SET content='' WHERE content IS NULL");
+        $this->addSql('ALTER TABLE chill_person_accompanying_period_comment ALTER COLUMN content SET NOT NULL');
+        $this->addSql('ALTER TABLE chill_person_accompanying_period_comment ALTER COLUMN content SET DEFAULT \'\'');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE chill_person_accompanying_period_comment ALTER COLUMN content DROP DEFAULT');
+        $this->addSql('ALTER TABLE chill_person_accompanying_period_comment ALTER COLUMN content DROP NOT NULL');
+    }
+}