various fixes

src/Bundle/ChillPersonBundle/Entity/SocialWork/SocialIssue.php

@@ -305,6 +305,9 @@ class SocialIssue
         return $this;
     }
 
+    /**
+     * @internal use @see{SocialIssue::addChild()} instead
+     */
     public function setParent(?self $parent): self
     {
         $this->parent = $parent;