diff --git a/AdminUI/LearningHub.Nhs.AdminUI/Controllers/CatalogueController.cs b/AdminUI/LearningHub.Nhs.AdminUI/Controllers/CatalogueController.cs
index b9f1b5e0..49aef963 100644
--- a/AdminUI/LearningHub.Nhs.AdminUI/Controllers/CatalogueController.cs
+++ b/AdminUI/LearningHub.Nhs.AdminUI/Controllers/CatalogueController.cs
@@ -740,6 +740,7 @@ public async Task<IActionResult> AddCategoryToCatalogue(CatalogueViewModel catal
                 this.ModelState.AddModelError("SelectedCategoryId", "Please select a category.");
                 var vm = await this.catalogueService.GetCatalogueAsync(catalogueViewModel.CatalogueNodeVersionId);
                 var categories = await this.moodleBridgeApiService.GetAllMoodleCategoriesAsync();
+                vm.SelectedCategoryId = null;
                 vm.MoodleCategorySelectList = BuildMoodleCategorySelectList(categories);
 
                 return this.View("MoodleCategory", vm);
diff --git a/OpenAPI/LearningHub.Nhs.OpenApi.Services/Services/MoodleBridgeApiService.cs b/OpenAPI/LearningHub.Nhs.OpenApi.Services/Services/MoodleBridgeApiService.cs
index 80dd7617..71076c3f 100644
--- a/OpenAPI/LearningHub.Nhs.OpenApi.Services/Services/MoodleBridgeApiService.cs
+++ b/OpenAPI/LearningHub.Nhs.OpenApi.Services/Services/MoodleBridgeApiService.cs
@@ -215,8 +215,7 @@ public async Task<MoodleCompletionsApiResponseModel> GetRecentEnrolledCoursesAsy
             }
             catch (Exception ex)
             {
-                this.logger.LogError(ex, "An error occurred while fetching user's recent learning activities ");
-                throw;
+                return null;
             }
         }