diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5b95feb23..1532c5f1e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,9 +6,11 @@ variables:
     COMPOSER_HOME: $CI_PROJECT_DIR/.composer
     NO_PROXY: "gitlab.vtk.be"
 
-
 build:
     stage: build
+    before_script:
+        - export PATH="/usr/bin/php7.4:$PATH"
+        - php -v
     script:
         - composer update --no-dev
         - composer install --no-dev
@@ -28,9 +30,12 @@ build:
 .deploy: &deploy
     stage: deploy
     before_script:
+        - export PATH="/usr/bin/php7.4:$PATH"
+        - php -v
         - eval $(ssh-agent -s)
         - ssh-add <(echo $SSH_PRIVATE_KEY | base64 -d)
     script:
+        - export SENTRY_LOG_LEVEL=debug
         - scp -o StrictHostKeyChecking=no litus.tar.gz root@$SSH_HOSTNAME:/tmp
         - ssh -o StrictHostKeyChecking=no root@$SSH_HOSTNAME /usr/local/sbin/deploy.sh
     only:
@@ -54,4 +59,3 @@ deploy_liv:
     environment:
         name: liv
         url: https://vtk.be
-
diff --git a/module/ShopBundle/Controller/ShopController.php b/module/ShopBundle/Controller/ShopController.php
index 13ce2ac42..57381b500 100644
--- a/module/ShopBundle/Controller/ShopController.php
+++ b/module/ShopBundle/Controller/ShopController.php
@@ -31,6 +31,14 @@ public function reserveproductsAction()
             );
         }
 
+        if (!$this->saleSessionIsOpen()) {
+            $this->flashMessenger()->error(
+                'Error',
+                'No session was found!'
+            );
+            $this->redirect()->toRoute('shop');
+        }
+
         $salesSession = $this->getSalesSessionEntity();
         $stockEntries = $this->getStockEntries($salesSession);
 
@@ -550,4 +558,18 @@ private function getStockEntries($salesSession)
                 )
             );
     }
+
+    private function saleSessionIsOpen()
+    {
+        $salesSessionId = $this->getSalesSessionEntity()->getId();
+        $openSaleSessions = $this->getSalesSessions();
+        $openSaleSessionsIds = array_map(
+            function ($session) {
+                return $session->getId();
+            },
+            $openSaleSessions
+        );
+
+        return in_array($salesSessionId, $openSaleSessionsIds);
+    }
 }