diff --git a/x-pack/plugins/lens/public/app_plugin/get_application_user_messages.test.tsx b/x-pack/plugins/lens/public/app_plugin/get_application_user_messages.test.tsx
index 4345ae6795a36..1afa1974de351 100644
--- a/x-pack/plugins/lens/public/app_plugin/get_application_user_messages.test.tsx
+++ b/x-pack/plugins/lens/public/app_plugin/get_application_user_messages.test.tsx
@@ -18,6 +18,7 @@ import {
 } from './get_application_user_messages';
 import { cleanup, render, screen } from '@testing-library/react';
 import { I18nProvider } from '@kbn/i18n-react';
+import { getLongMessage } from '../user_messages_utils';
 
 jest.mock('@kbn/shared-ux-link-redirect-app', () => {
   const original = jest.requireActual('@kbn/shared-ux-link-redirect-app');
@@ -164,15 +165,9 @@ describe('application-level user messages', () => {
         visualization: {} as Visualization,
         visualizationState: { activeId: 'foo', state: {} },
       };
+      const firstMessage = getApplicationUserMessages({ ...props, ...propsOverrides }).at(0);
       const rtlRender = render(
-        <I18nProvider>
-          {
-            getApplicationUserMessages({
-              ...props,
-              ...propsOverrides,
-            })[0].longMessage as React.ReactNode
-          }
-        </I18nProvider>
+        <I18nProvider>{firstMessage && getLongMessage(firstMessage)}</I18nProvider>
       );
       return rtlRender;
     };
diff --git a/x-pack/plugins/lens/public/datasources/form_based/form_based.test.ts b/x-pack/plugins/lens/public/datasources/form_based/form_based.test.ts
index 784ee32f28b4f..b399f8eaa7b54 100644
--- a/x-pack/plugins/lens/public/datasources/form_based/form_based.test.ts
+++ b/x-pack/plugins/lens/public/datasources/form_based/form_based.test.ts
@@ -3154,9 +3154,7 @@ describe('IndexPattern Data Source', () => {
                 values={
                   Object {
                     "position": 1,
-                    "wrappedMessage": <React.Fragment>
-                      error 1
-                    </React.Fragment>,
+                    "wrappedMessage": "error 1",
                   }
                 }
               />,
@@ -3177,9 +3175,7 @@ describe('IndexPattern Data Source', () => {
                 values={
                   Object {
                     "position": 1,
-                    "wrappedMessage": <React.Fragment>
-                      error 2
-                    </React.Fragment>,
+                    "wrappedMessage": "error 2",
                   }
                 }
               />,
diff --git a/x-pack/plugins/lens/public/datasources/form_based/form_based.tsx b/x-pack/plugins/lens/public/datasources/form_based/form_based.tsx
index 1bdd12a5cb49c..da893707ab2bc 100644
--- a/x-pack/plugins/lens/public/datasources/form_based/form_based.tsx
+++ b/x-pack/plugins/lens/public/datasources/form_based/form_based.tsx
@@ -101,6 +101,7 @@ import { LayerSettingsPanel } from './layer_settings';
 import { FormBasedLayer, LastValueIndexPatternColumn } from '../..';
 import { filterAndSortUserMessages } from '../../app_plugin/get_application_user_messages';
 import { EDITOR_INVALID_DIMENSION } from '../../user_messages_ids';
+import { getLongMessage } from '../../user_messages_utils';
 export type { OperationType, GenericIndexPatternColumn } from './operations';
 export { deleteColumn } from './operations';
 
@@ -995,7 +996,7 @@ function getLayerErrorMessages(
                 defaultMessage="Layer {position} error: {wrappedMessage}"
                 values={{
                   position: index + 1,
-                  wrappedMessage: <>{error.longMessage}</>,
+                  wrappedMessage: getLongMessage(error),
                 }}
               />
             ),
diff --git a/x-pack/plugins/lens/public/datasources/form_based/utils.test.tsx b/x-pack/plugins/lens/public/datasources/form_based/utils.test.tsx
index b1f57635590ec..8acff913a04f0 100644
--- a/x-pack/plugins/lens/public/datasources/form_based/utils.test.tsx
+++ b/x-pack/plugins/lens/public/datasources/form_based/utils.test.tsx
@@ -21,6 +21,7 @@ import type { FramePublicAPI, IndexPattern } from '../../types';
 import { TermsIndexPatternColumn } from './operations';
 import { FormBasedLayer } from './types';
 import { createMockedIndexPatternWithAdditionalFields } from './mocks';
+import { getLongMessage } from '../../user_messages_utils';
 
 describe('indexpattern_datasource utils', () => {
   describe('getPrecisionErrorWarningMessages', () => {
@@ -121,10 +122,11 @@ describe('indexpattern_datasource utils', () => {
         );
 
         expect(warningMessages).toHaveLength(1);
+        const { longMessage, ...rest } = warningMessages[0];
 
-        expect({ ...warningMessages[0], longMessage: '' }).toMatchSnapshot();
+        expect({ ...rest, longMessage: '' }).toMatchSnapshot();
 
-        render(<I18nProvider>{warningMessages[0].longMessage as React.ReactNode}</I18nProvider>);
+        render(<I18nProvider>{getLongMessage(warningMessages[0])}</I18nProvider>);
 
         expect(screen.getByTestId('lnsPrecisionWarningEnableAccuracy')).toBeInTheDocument();
         await userEvent.click(screen.getByTestId('lnsPrecisionWarningEnableAccuracy'));
@@ -145,11 +147,12 @@ describe('indexpattern_datasource utils', () => {
         );
 
         expect(warningMessages).toHaveLength(1);
+        const { longMessage, ...rest } = warningMessages[0];
 
-        expect({ ...warningMessages[0], longMessage: '' }).toMatchSnapshot();
+        expect({ ...rest, longMessage: '' }).toMatchSnapshot();
 
         const { container } = render(
-          <I18nProvider>{warningMessages[0].longMessage as React.ReactNode}</I18nProvider>
+          <I18nProvider>{getLongMessage(warningMessages[0])}</I18nProvider>
         );
         expect(container).toHaveTextContent(
           'might be an approximation. For more precise results, try increasing the number of Top Values or using Filters instead.'
@@ -178,7 +181,7 @@ describe('indexpattern_datasource utils', () => {
         } as unknown as GenericIndexPatternColumn,
       };
       const setState = jest.fn();
-      const warnings = getPrecisionErrorWarningMessages(
+      const warningMessages = getPrecisionErrorWarningMessages(
         datatableUtilitites,
         state,
         framePublicAPI,
@@ -186,10 +189,12 @@ describe('indexpattern_datasource utils', () => {
         setState
       );
 
-      expect(warnings).toHaveLength(1);
-      expect({ ...warnings[0], longMessage: '' }).toMatchSnapshot();
+      expect(warningMessages).toHaveLength(1);
+      const { longMessage, ...rest } = warningMessages[0];
+
+      expect({ ...rest, longMessage: '' }).toMatchSnapshot();
 
-      render(<I18nProvider>{warnings[0].longMessage as React.ReactNode}</I18nProvider>);
+      render(<I18nProvider>{getLongMessage(warningMessages[0])}</I18nProvider>);
       await userEvent.click(screen.getByText('Rank by rarity'));
       const stateSetter = setState.mock.calls[0][0];
       const newState = stateSetter(state);
diff --git a/x-pack/plugins/lens/public/editor_frame_service/editor_frame/config_panel/layer_panel.tsx b/x-pack/plugins/lens/public/editor_frame_service/editor_frame/config_panel/layer_panel.tsx
index 342d275b45e39..cfdcdba4632e3 100644
--- a/x-pack/plugins/lens/public/editor_frame_service/editor_frame/config_panel/layer_panel.tsx
+++ b/x-pack/plugins/lens/public/editor_frame_service/editor_frame/config_panel/layer_panel.tsx
@@ -39,6 +39,7 @@ import {
 import { getSharedActions } from './layer_actions/layer_actions';
 import { FlyoutContainer } from '../../../shared_components/flyout_container';
 import { FakeDimensionButton } from './buttons/fake_dimension_button';
+import { getLongMessage } from '../../../user_messages_utils';
 
 export function LayerPanel(props: LayerPanelProps) {
   const [openDimension, setOpenDimension] = useState<{
@@ -518,6 +519,7 @@ export function LayerPanel(props: LayerPanelProps) {
                             props?.getUserMessages?.('dimensionButton', {
                               dimensionId: columnId,
                             }) ?? [];
+                          const firstMessage = messages.at(0);
 
                           return (
                             <DraggableDimensionButton
@@ -567,11 +569,15 @@ export function LayerPanel(props: LayerPanelProps) {
                                   props.onRemoveDimension({ columnId: id, layerId });
                                   removeButtonRef(id);
                                 }}
-                                message={{
-                                  severity: messages[0]?.severity,
-                                  content: (messages[0]?.shortMessage ||
-                                    messages[0]?.longMessage) as React.ReactNode,
-                                }}
+                                message={
+                                  firstMessage
+                                    ? {
+                                        severity: firstMessage.severity,
+                                        content:
+                                          firstMessage.shortMessage || getLongMessage(firstMessage),
+                                      }
+                                    : undefined
+                                }
                               >
                                 {layerDatasource ? (
                                   <>
diff --git a/x-pack/plugins/lens/public/editor_frame_service/editor_frame/editor_frame.tsx b/x-pack/plugins/lens/public/editor_frame_service/editor_frame/editor_frame.tsx
index 5020d1837470f..2b290cf80019c 100644
--- a/x-pack/plugins/lens/public/editor_frame_service/editor_frame/editor_frame.tsx
+++ b/x-pack/plugins/lens/public/editor_frame_service/editor_frame/editor_frame.tsx
@@ -39,6 +39,7 @@ import {
 import type { LensInspector } from '../../lens_inspector_service';
 import { ErrorBoundary, showMemoizedErrorNotification } from '../../lens_ui_errors';
 import { IndexPatternServiceAPI } from '../../data_views_service/service';
+import { getLongMessage } from '../../user_messages_utils';
 
 export interface EditorFrameProps {
   datasourceMap: DatasourceMap;
@@ -128,9 +129,7 @@ export function EditorFrame(props: EditorFrameProps) {
         bannerMessages={
           bannerMessages.length ? (
             <ErrorBoundary onError={onError}>
-              <BannerWrapper
-                nodes={bannerMessages.map(({ longMessage }) => longMessage as React.ReactNode)}
-              />
+              <BannerWrapper nodes={bannerMessages.map(getLongMessage)} />
             </ErrorBoundary>
           ) : undefined
         }
diff --git a/x-pack/plugins/lens/public/editor_frame_service/editor_frame/workspace_panel/workspace_errors.tsx b/x-pack/plugins/lens/public/editor_frame_service/editor_frame/workspace_panel/workspace_errors.tsx
index 949ae6648c183..a00fa978b5cc9 100644
--- a/x-pack/plugins/lens/public/editor_frame_service/editor_frame/workspace_panel/workspace_errors.tsx
+++ b/x-pack/plugins/lens/public/editor_frame_service/editor_frame/workspace_panel/workspace_errors.tsx
@@ -15,6 +15,7 @@ import {
   EuiText,
 } from '@elastic/eui';
 import type { UserMessage } from '../../../types';
+import { getLongMessage } from '../../../user_messages_utils';
 
 interface Props {
   errors: Array<string | UserMessage>;
@@ -56,7 +57,7 @@ export function WorkspaceErrors(props: Props) {
               {activeError.longMessage ? (
                 <>
                   <EuiSpacer />
-                  <EuiText size="s"> {activeError.longMessage as React.ReactNode}</EuiText>
+                  <EuiText size="s"> {getLongMessage(activeError)}</EuiText>
                 </>
               ) : null}
             </div>
diff --git a/x-pack/plugins/lens/public/embeddable/embeddable.tsx b/x-pack/plugins/lens/public/embeddable/embeddable.tsx
index 2d8dad7571c1a..5ef2a8d202984 100644
--- a/x-pack/plugins/lens/public/embeddable/embeddable.tsx
+++ b/x-pack/plugins/lens/public/embeddable/embeddable.tsx
@@ -146,6 +146,7 @@ import { EmbeddableFeatureBadge } from './embeddable_info_badges';
 import { getDatasourceLayers } from '../state_management/utils';
 import type { EditLensConfigurationProps } from '../app_plugin/shared/edit_on_the_fly/get_edit_lens_configuration';
 import { TextBasedPersistedState } from '../datasources/text_based/types';
+import { getLongMessage } from '../user_messages_utils';
 
 export type LensSavedObjectAttributes = Omit<Document, 'savedObjectId' | 'type'>;
 
@@ -251,7 +252,7 @@ export interface ViewUnderlyingDataArgs {
 }
 
 function VisualizationErrorPanel({ errors, canEdit }: { errors: UserMessage[]; canEdit: boolean }) {
-  const showMore = errors.length > 1;
+  const firstError = errors.at(0);
   const canFixInLens = canEdit && errors.some(({ fixableInEditor }) => fixableInEditor);
   return (
     <div className="lnsEmbeddedError">
@@ -261,10 +262,10 @@ function VisualizationErrorPanel({ errors, canEdit }: { errors: UserMessage[]; c
         data-test-subj="embeddable-lens-failure"
         body={
           <>
-            {errors.length ? (
+            {firstError ? (
               <>
-                <p>{errors[0].longMessage as React.ReactNode}</p>
-                {showMore && !canFixInLens ? (
+                <p>{getLongMessage(firstError)}</p>
+                {errors.length > 1 && !canFixInLens ? (
                   <p>
                     <FormattedMessage
                       id="xpack.lens.embeddable.moreErrors"
diff --git a/x-pack/plugins/lens/public/embeddable/embeddable_info_badges.tsx b/x-pack/plugins/lens/public/embeddable/embeddable_info_badges.tsx
index 9afb63708f3fe..18cff3f2ac90a 100644
--- a/x-pack/plugins/lens/public/embeddable/embeddable_info_badges.tsx
+++ b/x-pack/plugins/lens/public/embeddable/embeddable_info_badges.tsx
@@ -20,6 +20,7 @@ import React, { Fragment } from 'react';
 import { useState } from 'react';
 import type { UserMessage } from '../types';
 import './embeddable_info_badges.scss';
+import { getLongMessage } from '../user_messages_utils';
 
 export const EmbeddableFeatureBadge = ({ messages }: { messages: UserMessage[] }) => {
   const { euiTheme } = useEuiTheme();
@@ -98,8 +99,8 @@ export const EmbeddableFeatureBadge = ({ messages }: { messages: UserMessage[] }
                   <h3>{shortMessage}</h3>
                 </EuiTitle>
                 <ul className="lnsEmbeddablePanelFeatureList">
-                  {messageGroup.map(({ longMessage }, i) => (
-                    <Fragment key={`${uniqueId}-${i}`}>{longMessage as React.ReactNode}</Fragment>
+                  {messageGroup.map((message, i) => (
+                    <Fragment key={`${uniqueId}-${i}`}>{getLongMessage(message)}</Fragment>
                   ))}
                 </ul>
               </aside>
diff --git a/x-pack/plugins/lens/public/types.ts b/x-pack/plugins/lens/public/types.ts
index f4063747e9b77..d22016f75620a 100644
--- a/x-pack/plugins/lens/public/types.ts
+++ b/x-pack/plugins/lens/public/types.ts
@@ -302,7 +302,7 @@ export interface UserMessage {
   severity: 'error' | 'warning' | 'info';
   hidePopoverIcon?: boolean;
   shortMessage: string;
-  longMessage: string | React.ReactNode | ((closePopover: () => void) => React.ReactNode);
+  longMessage: string | React.ReactNode | ((closePopover?: () => void) => React.ReactNode);
   fixableInEditor: boolean;
   displayLocations: UserMessageDisplayLocation[];
 }
diff --git a/x-pack/plugins/lens/public/user_messages_utils.ts b/x-pack/plugins/lens/public/user_messages_utils.ts
new file mode 100644
index 0000000000000..9a0a7e2425dc9
--- /dev/null
+++ b/x-pack/plugins/lens/public/user_messages_utils.ts
@@ -0,0 +1,12 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { UserMessage } from './types';
+
+export function getLongMessage(msg: UserMessage) {
+  return typeof msg.longMessage === 'function' ? msg.longMessage() : msg.longMessage;
+}