From 5c1332da365e81ac75e00df64c1b513a06d7cb9e Mon Sep 17 00:00:00 2001
From: Alexander Polynomdivision <digitalmail555@googlemail.com>
Date: Sun, 7 Oct 2018 13:50:22 +0200
Subject: [PATCH] fix: If user.levels is empty then no level can be started

---
 frontend/src/pages/levelList.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/frontend/src/pages/levelList.tsx b/frontend/src/pages/levelList.tsx
index d194e75..74fb7c1 100644
--- a/frontend/src/pages/levelList.tsx
+++ b/frontend/src/pages/levelList.tsx
@@ -44,7 +44,7 @@ const LevelListWithRouter = withRouter(
 
         toLevel(id: number) {
             const maxLevel = Math.max(...this.props.user.levels);
-            if (maxLevel + 1 >= id) {
+            if ((maxLevel === -Infinity || maxLevel === +Infinity) || maxLevel + 1 >= id) {
                 this.props.history.push(`/level/${id}`);
             } else {
                 this.props.setSnackbar(true);