diff --git a/Sources/BowlingService/Interfaces/IPartieService.cs b/Sources/BowlingService/Interfaces/IPartieService.cs
index 4ce4816..dd033c7 100644
--- a/Sources/BowlingService/Interfaces/IPartieService.cs
+++ b/Sources/BowlingService/Interfaces/IPartieService.cs
@@ -1,5 +1,6 @@
 using System;
 using BowlingEF.Entities;
+using DTOs;
 
 namespace BowlingService.Interfaces
 {
diff --git a/Sources/BowlingService/Interfaces/PartieService.cs b/Sources/BowlingService/Interfaces/PartieService.cs
index 32ab1bb..ebf286b 100644
--- a/Sources/BowlingService/Interfaces/PartieService.cs
+++ b/Sources/BowlingService/Interfaces/PartieService.cs
@@ -5,6 +5,7 @@ using BowlingEF.Entities;
 using BowlingLib.Model;
 using BowlingRepository;
 using BowlingRepository.Interface;
+using DTOs;
 using Microsoft.EntityFrameworkCore;
 
 namespace BowlingService.Interfaces
diff --git a/Sources/DTOs/FrameDTO.cs b/Sources/DTOs/FrameDTO.cs
index 4f93c80..e13cf7b 100644
--- a/Sources/DTOs/FrameDTO.cs
+++ b/Sources/DTOs/FrameDTO.cs
@@ -1,5 +1,6 @@
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using DTOs;
 
 namespace BowlingEF.Entities
 {
diff --git a/Sources/DTOs/PartieDTO.cs b/Sources/DTOs/PartieDTO.cs
index 042ac37..62334dd 100644
--- a/Sources/DTOs/PartieDTO.cs
+++ b/Sources/DTOs/PartieDTO.cs
@@ -5,6 +5,7 @@ using System.ComponentModel.DataAnnotations.Schema;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using BowlingEF.Entities;
 
 namespace DTOs
 {
diff --git a/Sources/GraphQL Project/Properties/launchSettings.json b/Sources/GraphQL Project/Properties/launchSettings.json
index bbe539f..491e83b 100644
--- a/Sources/GraphQL Project/Properties/launchSettings.json	
+++ b/Sources/GraphQL Project/Properties/launchSettings.json	
@@ -1,4 +1,4 @@
-{
+{
   "iisSettings": {
     "windowsAuthentication": false,
     "anonymousAuthentication": true,
@@ -10,7 +10,6 @@
   "profiles": {
     "GraphQL_Project": {
       "commandName": "Project",
-      "dotnetRunMessages": true,
       "launchBrowser": true,
       "applicationUrl": "https://localhost:7197;http://localhost:5234",
       "environmentVariables": {
@@ -25,4 +24,4 @@
       }
     }
   }
-}
+}
\ No newline at end of file
diff --git a/Sources/Tests/BowlingAPITest/BowlingAPITest.csproj b/Sources/Tests/BowlingAPITest/BowlingAPITest.csproj
index e6b217e..0a87957 100644
--- a/Sources/Tests/BowlingAPITest/BowlingAPITest.csproj
+++ b/Sources/Tests/BowlingAPITest/BowlingAPITest.csproj
@@ -6,6 +6,8 @@
         <Nullable>enable</Nullable>
 
         <IsPackable>false</IsPackable>
+
+        <LangVersion>11</LangVersion>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/Sources/Tests/BowlingAPITest/TestJoueurController.cs b/Sources/Tests/BowlingAPITest/TestJoueurController.cs
index ee48a9b..abb09a3 100644
--- a/Sources/Tests/BowlingAPITest/TestJoueurController.cs
+++ b/Sources/Tests/BowlingAPITest/TestJoueurController.cs
@@ -50,7 +50,7 @@ public  class TestController
     {
         
         var testItems = new List<JoueurDTO>();
-        testItems.Add(new JoueurDTO {Pseudo = "Item1" });
+        testItems.Add(new JoueurDTO { Pseudo = "Item1" });
         testItems.Add(new JoueurDTO { Pseudo = "Item2" });
         return testItems;
     }