diff --git a/game/groupservice/GroupController.js b/game/groupservice/GroupController.js
index ec9ee71..e2e93e0 100644
--- a/game/groupservice/GroupController.js
+++ b/game/groupservice/GroupController.js
@@ -136,7 +136,7 @@ let GroupController = {
 
 async function getGroupByName(name) {
     try {
-        const group = await Group.findOne({ groupName: name });
+        const group = await Group.findOne({ groupName: name.toString() });
         if (!group) {
           throw new Error('This group does not exist');
         }
diff --git a/game/qgservice/QGController.js b/game/qgservice/QGController.js
index 85d4c7c..e40e004 100644
--- a/game/qgservice/QGController.js
+++ b/game/qgservice/QGController.js
@@ -79,7 +79,7 @@ let QGController = {
             const { ids } = req.body;
             const questions = [];
             for (const id of ids) {
-                const question = await Question4Answers.find({uuid: id})
+                const question = await Question4Answers.find({uuid: id.toString()})
                 questions.push(question);
             }
             res.json(questions);
diff --git a/game/qgservice/generatorLogic/MathQuestions.js b/game/qgservice/generatorLogic/MathQuestions.js
index facb674..0127575 100644
--- a/game/qgservice/generatorLogic/MathQuestions.js
+++ b/game/qgservice/generatorLogic/MathQuestions.js
@@ -37,11 +37,11 @@ function generateRandomMathQuestion() {
     };
   }
 
-  async function createMathQuestions(numberOfQuestions, lang) {
+  async function createMathQuestions(numberOfQuestions) {
     const questions = [];
   
     for (let i = 0; i < numberOfQuestions; i++) {
-      const mathQuestion = generateRandomMathQuestion(lang);
+      const mathQuestion = generateRandomMathQuestion();
       questions.push(mathQuestion);
     }
   
diff --git a/sonar-project.properties b/sonar-project.properties
index da5ec60..96039e0 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -11,7 +11,7 @@ sonar.language=js
 sonar.projectName=wiq_en2a
 
 sonar.coverage.exclusions=**/*.test.js
-sonar.sources=webapp/src/components,users/authservice,users/userservice,gatewayservice,game/gameservice,game/groupservice,game/qgservice,multiplayerservice
+sonar.sources=webapp/src/components,users/authservice,users/userservice,gatewayservice,game/gameservice,game/groupservice,game/qgservice
 sonar.sourceEncoding=UTF-8
 sonar.exclusions=node_modules/**
 sonar.javascript.lcov.reportPaths=**/coverage/lcov.info
\ No newline at end of file