diff --git a/src/core/classes/items-management/items-manager.ts b/src/core/classes/items-management/items-manager.ts
index 80f433fdb..0883521fe 100644
--- a/src/core/classes/items-management/items-manager.ts
+++ b/src/core/classes/items-management/items-manager.ts
@@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+import { CoreSilentError } from '@classes/errors/silenterror';
 import { CoreItemsManagerSource } from './items-manager-source';
 
 /**
@@ -45,7 +46,7 @@ export abstract class CoreItemsManager<
      */
     getSource(): Source {
         if (!this.source) {
-            throw new Error('Source is missing from items manager');
+            throw new CoreSilentError('Source is missing from items manager');
         }
 
         return this.source.instance;
diff --git a/src/core/features/grades/pages/course/course.html b/src/core/features/grades/pages/course/course.html
index 908fc1671..a5c6dc447 100644
--- a/src/core/features/grades/pages/course/course.html
+++ b/src/core/features/grades/pages/course/course.html
@@ -12,7 +12,7 @@
     <ion-refresher slot="fixed" [disabled]="!columns || !rows" (ionRefresh)="refreshGrades($event.target)">
         <ion-refresher-content pullingText="{{ 'core.pulltorefresh' | translate }}"></ion-refresher-content>
     </ion-refresher>
-    <core-loading [hideUntil]="columns && rows">
+    <core-loading [hideUntil]="loaded">
         <core-empty-box *ngIf="!rows.length" icon="fas-chart-bar" [message]="'core.grades.nogradesreturned' | translate">
         </core-empty-box>
         <div *ngIf="rows.length" class="core-grades-container">
diff --git a/src/core/features/grades/pages/course/course.page.ts b/src/core/features/grades/pages/course/course.page.ts
index 3cf1fcafb..7bca24a87 100644
--- a/src/core/features/grades/pages/course/course.page.ts
+++ b/src/core/features/grades/pages/course/course.page.ts
@@ -58,6 +58,7 @@ export class CoreGradesCoursePage implements AfterViewInit, OnDestroy {
     rowsOnView = 0;
     totalColumnsSpan?: number;
     withinSplitView?: boolean;
+    loaded = false;
 
     protected useLegacyLayout?: boolean; // Whether to use the layout before 4.1.
     protected fetchSuccess = false;
@@ -111,6 +112,8 @@ export class CoreGradesCoursePage implements AfterViewInit, OnDestroy {
 
         await this.swipeManager?.start();
         await this.fetchInitialGrades();
+
+        this.loaded = true;
     }
 
     /**
diff --git a/src/core/features/user/pages/participants/participants.page.ts b/src/core/features/user/pages/participants/participants.page.ts
index 47633f894..d851cefd9 100644
--- a/src/core/features/user/pages/participants/participants.page.ts
+++ b/src/core/features/user/pages/participants/participants.page.ts
@@ -72,8 +72,14 @@ export class CoreUserParticipantsPage implements OnInit, AfterViewInit, OnDestro
      */
     async ngAfterViewInit(): Promise<void> {
         await this.fetchInitialParticipants();
+        await this.participants.start(this.splitView);
+    }
 
-        this.participants.start(this.splitView);
+    /**
+     * @inheritdoc
+     */
+    async ionViewDidEnter(): Promise<void> {
+        await this.participants.start();
     }
 
     /**
diff --git a/src/core/features/user/user-course-lazy.module.ts b/src/core/features/user/user-course-lazy.module.ts
index 8653a7b50..a0a9cb34c 100644
--- a/src/core/features/user/user-course-lazy.module.ts
+++ b/src/core/features/user/user-course-lazy.module.ts
@@ -28,6 +28,7 @@ const routes: Routes = [
             {
                 path: ':userId',
                 loadChildren: () => import('@features/user/user-profile-lazy.module').then(m => m.CoreUserProfileLazyModule),
+                data: { swipeManagerSource: 'participants' },
             },
         ], () => CoreScreen.isTablet),
     },