diff --git a/PracticeSymfony.md b/PracticeSymfony.md
index 2594764b..a0df9ce1 100644
--- a/PracticeSymfony.md
+++ b/PracticeSymfony.md
@@ -106,3 +106,6 @@ $ composer install
 $ chmod -R g+w var
 ~~~
 
+## Erreur opendir /var/lib/php/sessions failed Permission denied
+
+Voir [HowtoPHP#erreur-opendir-varlibphpsessions-failed-permission-denied]()
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