diff --git a/Sources/API_LoL/API_LoL.csproj b/Sources/API_LoL/API_LoL.csproj
index db2c1c8..91c61d0 100644
--- a/Sources/API_LoL/API_LoL.csproj
+++ b/Sources/API_LoL/API_LoL.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
+<Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
@@ -11,6 +11,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Versioning" Version="5.0.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Versioning.ApiExplorer" Version="5.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="7.0.0" />
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.17.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.2.3" />
   </ItemGroup>
diff --git a/Sources/API_LoL/Controllers/ChampionsController.cs b/Sources/API_LoL/Controllers/ChampionsController.cs
index 96adf52..46dbcaf 100644
--- a/Sources/API_LoL/Controllers/ChampionsController.cs
+++ b/Sources/API_LoL/Controllers/ChampionsController.cs
@@ -8,6 +8,8 @@ using System.Drawing;
 using System;
 using API_LoL.Mapper;
 using System.Xml.Linq;
+using Microsoft.EntityFrameworkCore.Metadata.Internal;
+using System.Reflection.PortableExecutable;
 
 // For more information on enabling Web API for empty projects, visit https://go.microsoft.com/fwlink/?LinkID=397860
 
@@ -21,12 +23,17 @@ namespace API_LoL.Controllers
     {
 
        public ChampionsController(IDataManager Manager) {
+            this._logger = LoggerFactory.Create(builder => builder.AddConsole()).CreateLogger<ChampionsController>();
             this.ChampionsManager = Manager.ChampionsMgr;
             this.SkinsManager = Manager.SkinsMgr;
        }
 
+
         private IChampionsManager ChampionsManager;
         private ISkinsManager SkinsManager;
+        //private StubData stubData;
+        private ILogger logger;
+        private readonly ILogger _logger;
 
         // GET api/<ChampionController>/5
 
@@ -41,6 +48,7 @@ namespace API_LoL.Controllers
         {
             if (size - index > 10)
             {
+                _logger.LogError(message : "Oversized","Get","/Champion",400,"name : "+name,"skill : "+skill,"characteristics : "+characteristic,"index : "+index,"size : "+size,DateTime.Now);
                 return BadRequest();
             }
             if (!string.IsNullOrEmpty(name))
@@ -81,7 +89,11 @@ namespace API_LoL.Controllers
         [HttpGet("name")]
         public async Task<IActionResult> GetByName(String name)
         {
-            if (string.IsNullOrEmpty(name)) return BadRequest();
+            if (string.IsNullOrEmpty(name))
+            {
+                _logger.LogError(message: "No paramater given", "Get", "/Champion/Name", 400, "name : " + name, DateTime.Now);
+                return BadRequest();
+            }
             var list = await ChampionsManager.GetItemsByName(name, 0, 1);
             if (list.Count() == 1)
             {
@@ -94,7 +106,11 @@ namespace API_LoL.Controllers
         [HttpGet("name/skins")]
         public async Task<IActionResult> GetSkinsByName(String name)
         {
-            if (string.IsNullOrEmpty(name)) return BadRequest();
+            if (string.IsNullOrEmpty(name))
+            {
+                _logger.LogError(message: "No paramater given", "Get", "/Champion/Name/Skins", 400, "name : " + name, DateTime.Now);
+                return BadRequest();
+            }
             var list = await ChampionsManager.GetItemsByName(name, 0, 1);
             if (list.Count() == 1)
             {
@@ -134,6 +150,7 @@ namespace API_LoL.Controllers
         {
             if (champion == null)
             {
+                _logger.LogError(message: "Null paramater given", "Post", "/Champion", 422, "champion : " + champion.toString, DateTime.Now);
                 return UnprocessableEntity();
             }
             else
diff --git a/Sources/API_LoL/Program.cs b/Sources/API_LoL/Program.cs
index f1b44d0..78d467f 100644
--- a/Sources/API_LoL/Program.cs
+++ b/Sources/API_LoL/Program.cs
@@ -3,6 +3,7 @@ using EntityFramework;
 using EntityFramework.Manager;
 using Microsoft.AspNetCore.Mvc.ApiExplorer;
 using Microsoft.AspNetCore.Mvc.Versioning;
+using Microsoft.Extensions.Logging;
 using Model;
 using StubLib;
 
diff --git a/Sources/Api_UT/ChampionControllerTest.cs b/Sources/Api_UT/ChampionControllerTest.cs
index 09c7875..0a93acf 100644
--- a/Sources/Api_UT/ChampionControllerTest.cs
+++ b/Sources/Api_UT/ChampionControllerTest.cs
@@ -3,6 +3,7 @@ using DTO;
 using FluentAssertions;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore.Query;
+using Microsoft.Extensions.Logging;
 using Model;
 using StubLib;
 using System.Collections;