diff --git a/ManagerService/Controllers/ResourceController.cs b/ManagerService/Controllers/ResourceController.cs
index 1c137a4..ada6ba9 100644
--- a/ManagerService/Controllers/ResourceController.cs
+++ b/ManagerService/Controllers/ResourceController.cs
@@ -329,6 +329,34 @@ namespace ManagerService.Controllers
                             sliderDTO.images = imagesToKeep;
                             section.Data = JsonConvert.SerializeObject(sliderDTO);
                             break;
+                        case SectionType.Quizz:
+                            QuizzDTO quizzDTO = JsonConvert.DeserializeObject<QuizzDTO>(section.Data);
+                            foreach (var question in quizzDTO.questions)
+                            {
+                                question.source = question.resourceId == id ? null : question.source;
+                                question.resourceId = question.resourceId == id ? null : question.resourceId;
+                            }
+                            if (quizzDTO.bad_level != null) {
+                                quizzDTO.bad_level.source = quizzDTO.bad_level.resourceId == id ? null : quizzDTO.bad_level.source;
+                                quizzDTO.bad_level.resourceId = quizzDTO.bad_level.resourceId == id ? null : quizzDTO.bad_level.resourceId;
+                            }
+                            if (quizzDTO.medium_level != null)
+                            {
+                                quizzDTO.medium_level.source = quizzDTO.medium_level.resourceId == id ? null : quizzDTO.medium_level.source;
+                                quizzDTO.medium_level.resourceId = quizzDTO.medium_level.resourceId == id ? null : quizzDTO.medium_level.resourceId;
+                            }
+                            if (quizzDTO.good_level != null)
+                            {
+                                quizzDTO.good_level.source = quizzDTO.good_level.resourceId == id ? null : quizzDTO.good_level.source;
+                                quizzDTO.good_level.resourceId = quizzDTO.good_level.resourceId == id ? null : quizzDTO.good_level.resourceId;
+                            }
+                            if (quizzDTO.great_level != null)
+                            {
+                                quizzDTO.great_level.source = quizzDTO.great_level.resourceId == id ? null : quizzDTO.great_level.source;
+                                quizzDTO.great_level.resourceId = quizzDTO.great_level.resourceId == id ? null : quizzDTO.great_level.resourceId;
+                            }
+                            section.Data = JsonConvert.SerializeObject(quizzDTO);
+                            break;
                     }
 
                     _sectionService.Update(section.Id, section);
diff --git a/RELEASE/Version 1.4/netcoreapp3.1/ManagerService.dll b/RELEASE/Version 1.4/netcoreapp3.1/ManagerService.dll
index f0ddbdb..a74a137 100644
Binary files a/RELEASE/Version 1.4/netcoreapp3.1/ManagerService.dll and b/RELEASE/Version 1.4/netcoreapp3.1/ManagerService.dll differ
diff --git a/RELEASE/Version 1.4/netcoreapp3.1/ManagerService.pdb b/RELEASE/Version 1.4/netcoreapp3.1/ManagerService.pdb
index a2446b0..558fcff 100644
Binary files a/RELEASE/Version 1.4/netcoreapp3.1/ManagerService.pdb and b/RELEASE/Version 1.4/netcoreapp3.1/ManagerService.pdb differ
diff --git a/RELEASE/Version 1.4/netcoreapp3.1/publish/Manager.Framework.dll b/RELEASE/Version 1.4/netcoreapp3.1/publish/Manager.Framework.dll
index b6f70e2..24cb973 100644
Binary files a/RELEASE/Version 1.4/netcoreapp3.1/publish/Manager.Framework.dll and b/RELEASE/Version 1.4/netcoreapp3.1/publish/Manager.Framework.dll differ
diff --git a/RELEASE/Version 1.4/netcoreapp3.1/publish/Manager.Framework.pdb b/RELEASE/Version 1.4/netcoreapp3.1/publish/Manager.Framework.pdb
index 550ed3e..ac2df9a 100644
Binary files a/RELEASE/Version 1.4/netcoreapp3.1/publish/Manager.Framework.pdb and b/RELEASE/Version 1.4/netcoreapp3.1/publish/Manager.Framework.pdb differ
diff --git a/RELEASE/Version 1.4/netcoreapp3.1/publish/Manager.Interfaces.dll b/RELEASE/Version 1.4/netcoreapp3.1/publish/Manager.Interfaces.dll
index 340c03f..01fe618 100644
Binary files a/RELEASE/Version 1.4/netcoreapp3.1/publish/Manager.Interfaces.dll and b/RELEASE/Version 1.4/netcoreapp3.1/publish/Manager.Interfaces.dll differ
diff --git a/RELEASE/Version 1.4/netcoreapp3.1/publish/Manager.Interfaces.pdb b/RELEASE/Version 1.4/netcoreapp3.1/publish/Manager.Interfaces.pdb
index 4d7474a..05ac2e1 100644
Binary files a/RELEASE/Version 1.4/netcoreapp3.1/publish/Manager.Interfaces.pdb and b/RELEASE/Version 1.4/netcoreapp3.1/publish/Manager.Interfaces.pdb differ
diff --git a/RELEASE/Version 1.4/netcoreapp3.1/publish/ManagerService.dll b/RELEASE/Version 1.4/netcoreapp3.1/publish/ManagerService.dll
index 3ea7acc..a74a137 100644
Binary files a/RELEASE/Version 1.4/netcoreapp3.1/publish/ManagerService.dll and b/RELEASE/Version 1.4/netcoreapp3.1/publish/ManagerService.dll differ
diff --git a/RELEASE/Version 1.4/netcoreapp3.1/publish/ManagerService.pdb b/RELEASE/Version 1.4/netcoreapp3.1/publish/ManagerService.pdb
index ec04c1b..558fcff 100644
Binary files a/RELEASE/Version 1.4/netcoreapp3.1/publish/ManagerService.pdb and b/RELEASE/Version 1.4/netcoreapp3.1/publish/ManagerService.pdb differ