diff --git a/zmsentities/src/Zmsentities/Availability.php b/zmsentities/src/Zmsentities/Availability.php
index 5d3512863..d5f45b85b 100644
--- a/zmsentities/src/Zmsentities/Availability.php
+++ b/zmsentities/src/Zmsentities/Availability.php
@@ -555,6 +555,7 @@ public function validateSlotTime(\DateTimeInterface $startDate, \DateTimeInterfa
         $slotTime = $this['slotTimeInMinutes'];
         $startTimestamp = $startDate->getTimestamp();
         $endTimestamp = $endDate->getTimestamp();
+
         if ($slotTime === 0) { 
             $errorList[] = [
                 'type' => 'slotTime',