diff --git a/client/src/app/core/core-services/projector.service.ts b/client/src/app/core/core-services/projector.service.ts
index df5c34604..73d7979c6 100644
--- a/client/src/app/core/core-services/projector.service.ts
+++ b/client/src/app/core/core-services/projector.service.ts
@@ -82,9 +82,12 @@ export class ProjectorService {
      */
     public isProjected(obj: Projectable | ProjectorElementBuildDeskriptor | IdentifiableProjectorElement): boolean {
         const element = this.getProjectorElement(obj);
-        return this.DS.getAll<Projector>('core/projector').some(projector => {
-            return projector.isElementShown(element);
-        });
+        if (element.getIdentifiers) {
+            return this.DS.getAll<Projector>('core/projector').some(projector => {
+                return projector.isElementShown(element);
+            });
+        }
+        return false;
     }
 
     /**
diff --git a/client/src/app/core/repositories/base-is-agenda-item-content-object-repository.ts b/client/src/app/core/repositories/base-is-agenda-item-content-object-repository.ts
index 8572896e3..56b43a217 100644
--- a/client/src/app/core/repositories/base-is-agenda-item-content-object-repository.ts
+++ b/client/src/app/core/repositories/base-is-agenda-item-content-object-repository.ts
@@ -81,8 +81,12 @@ export abstract class BaseIsAgendaItemContentObjectRepository<
      */
     public getAgendaListTitle(titleInformation: T): AgendaListTitle {
         // Return the agenda title with the model's verbose name appended
-        const numberPrefix = titleInformation.agenda_item_number() ? `${titleInformation.agenda_item_number()} · ` : '';
-        const title = numberPrefix + this.getTitle(titleInformation) + ' (' + this.getVerboseName() + ')';
+        let numberPrefix = '';
+        if (titleInformation.agenda_item_number && titleInformation.agenda_item_number()) {
+            numberPrefix = `${titleInformation.agenda_item_number()} · `;
+        }
+
+        const title = `${numberPrefix}${this.getTitle(titleInformation)} (${this.getVerboseName()})`;
         return { title };
     }
 
diff --git a/client/src/app/core/repositories/motions/motion-repository.service.ts b/client/src/app/core/repositories/motions/motion-repository.service.ts
index 209e8d189..610785404 100644
--- a/client/src/app/core/repositories/motions/motion-repository.service.ts
+++ b/client/src/app/core/repositories/motions/motion-repository.service.ts
@@ -271,7 +271,15 @@ export class MotionRepositoryService extends BaseIsAgendaItemAndListOfSpeakersCo
     };
 
     public getAgendaListTitle = (titleInformation: MotionTitleInformation) => {
-        const numberPrefix = titleInformation.agenda_item_number() ? `${titleInformation.agenda_item_number()} · ` : '';
+        let numberPrefix = '';
+        /**
+         * after reloading, titleInformation.agenda_item_number is undefined. It gets defined after
+         * an autoupdate
+         */
+        if (titleInformation.agenda_item_number && titleInformation.agenda_item_number()) {
+            numberPrefix = `${titleInformation.agenda_item_number()} · `;
+        }
+
         // Append the verbose name only, if not the special format 'Motion <identifier>' is used.
         let title;
         if (titleInformation.identifier) {
diff --git a/client/src/app/shared/components/list-view-table/list-view-table.component.ts b/client/src/app/shared/components/list-view-table/list-view-table.component.ts
index 8bb07975a..a1b6df887 100644
--- a/client/src/app/shared/components/list-view-table/list-view-table.component.ts
+++ b/client/src/app/shared/components/list-view-table/list-view-table.component.ts
@@ -458,7 +458,8 @@ export class ListViewTableComponent<V extends BaseViewModel | BaseViewModelWithC
     }
 
     public isElementProjected = (context: PblNgridRowContext<V>) => {
-        if (this.allowProjector && this.projectorService.isProjected(this.getProjectable(context.$implicit as V))) {
+        const model = context.$implicit as V;
+        if (this.allowProjector && this.projectorService.isProjected(this.getProjectable(model))) {
             return 'projected';
         }
     };