Fixes

backend/api/functions.js

@@ -68,7 +68,6 @@ module.exports = {
         {
           $pull: { players: { $in: players } },
           $inc: { currentPlayers: -players.length },
-          $set: { active: !end },
         },
         (err, result) => {
           if (err) {

backend/api/tournament.js

@@ -195,6 +195,11 @@ router.post("/join", (req, res) => {
         res.sendStatus(500); // Internal server error
         return;
       }
+
+      if (!req.body.playerId) {
+        res.sendStatus(400);
+        return;
+      }
       let playerId;
       try {
         playerId = mongo.ObjectID(req.body.playerId);