diff --git a/frontend/language/src/nb.json b/frontend/language/src/nb.json
index 9c4615a9deb..0c33415b101 100644
--- a/frontend/language/src/nb.json
+++ b/frontend/language/src/nb.json
@@ -615,6 +615,7 @@
   "process_editor.configuration_panel_custom_receipt_heading": "Opprett din egen kvittering",
   "process_editor.configuration_panel_custom_receipt_info": "Hvis du heller vil lage din egen kvittering, kan du opprette den her. Kvitteringen du lager selv vil overstyre standardkvitteringen.",
   "process_editor.configuration_panel_custom_receipt_layout_set_name": "Navn på sidegruppe: ",
+  "process_editor.configuration_panel_custom_receipt_layout_set_name_validation": "Navnet må ha minst 2 tegn",
   "process_editor.configuration_panel_custom_receipt_navigate_to_lage_button": "Gå til Lage",
   "process_editor.configuration_panel_custom_receipt_navigate_to_lage_title": "Gå til Lage for å utforme kvitteringen din",
   "process_editor.configuration_panel_custom_receipt_select_data_model_label": "Datamodellknytning",
diff --git a/frontend/packages/shared/src/utils/layoutSetsUtils.test.ts b/frontend/packages/shared/src/utils/layoutSetsUtils.test.ts
index 4dd9a2d1bb8..770bc9acf62 100644
--- a/frontend/packages/shared/src/utils/layoutSetsUtils.test.ts
+++ b/frontend/packages/shared/src/utils/layoutSetsUtils.test.ts
@@ -1,4 +1,7 @@
-import { getLayoutSetNameForCustomReceipt } from 'app-shared/utils/layoutSetsUtils';
+import {
+  getLayoutSetIdValidationErrorKey,
+  getLayoutSetNameForCustomReceipt,
+} from 'app-shared/utils/layoutSetsUtils';
 import type { LayoutSets } from 'app-shared/types/api/LayoutSetsResponse';
 
 // Test data
@@ -44,6 +47,20 @@ describe('getLayoutSetNameForCustomReceipt', () => {
     expect(getLayoutSetNameForCustomReceipt(layoutSetsWithEmptySets)).toBeUndefined();
   });
 
+  it('should return error message when the user types just one character', () => {
+    const newLayoutSetId = 'a';
+    expect(getLayoutSetIdValidationErrorKey({ sets: [] }, layoutSetName, newLayoutSetId)).toBe(
+      'process_editor.configuration_panel_custom_receipt_layout_set_name_validation',
+    );
+  });
+
+  it('should return error message when the user types whitespace', () => {
+    const newLayoutSetId = ' ';
+    expect(getLayoutSetIdValidationErrorKey({ sets: [] }, layoutSetName, newLayoutSetId)).toBe(
+      'validation_errors.required',
+    );
+  });
+
   it('should return undefined if layoutSets has a set with no task ids', () => {
     const layoutSetsWithUndefinedTasks: LayoutSets = {
       sets: [
diff --git a/frontend/packages/shared/src/utils/layoutSetsUtils.ts b/frontend/packages/shared/src/utils/layoutSetsUtils.ts
index eece4a95710..e29d5a28f4f 100644
--- a/frontend/packages/shared/src/utils/layoutSetsUtils.ts
+++ b/frontend/packages/shared/src/utils/layoutSetsUtils.ts
@@ -13,8 +13,10 @@ export const getLayoutSetIdValidationErrorKey = (
   newLayoutSetId: string,
 ): string => {
   if (oldLayoutSetId === newLayoutSetId) return null;
+  if (!newLayoutSetId || newLayoutSetId.trim() === '') return 'validation_errors.required';
   if (!validateLayoutNameAndLayoutSetName(newLayoutSetId)) return 'ux_editor.pages_error_format';
-  if (!newLayoutSetId) return 'validation_errors.required';
+  if (newLayoutSetId.length === 1)
+    return 'process_editor.configuration_panel_custom_receipt_layout_set_name_validation';
   if (layoutSets.sets.some((set) => set.id === newLayoutSetId))
     return 'process_editor.configuration_panel_layout_set_id_not_unique';
   return null;