diff --git a/packages/console/src/pages/Applications/components/Guide/index.module.scss b/packages/console/src/pages/Applications/components/Guide/index.module.scss
index 855121e7c..a6d35b1a5 100644
--- a/packages/console/src/pages/Applications/components/Guide/index.module.scss
+++ b/packages/console/src/pages/Applications/components/Guide/index.module.scss
@@ -55,6 +55,14 @@
   margin-top: _.unit(6);
 }
 
+.notFound {
+  width: 100%;
+
+  svg {
+    margin-top: 10%;
+  }
+}
+
 .actionBar {
   position: absolute;
   inset: auto 0 0 0;
diff --git a/packages/console/src/pages/Applications/components/Guide/index.tsx b/packages/console/src/pages/Applications/components/Guide/index.tsx
index 478fd8478..2f488f71e 100644
--- a/packages/console/src/pages/Applications/components/Guide/index.tsx
+++ b/packages/console/src/pages/Applications/components/Guide/index.tsx
@@ -12,6 +12,7 @@ import CodeEditor from '@/ds-components/CodeEditor';
 import TextLink from '@/ds-components/TextLink';
 import useCustomDomain from '@/hooks/use-custom-domain';
 import DetailsSummary from '@/mdx-components/DetailsSummary';
+import NotFound from '@/pages/NotFound';
 
 import GuideHeader from '../GuideHeader';
 import StepsSkeleton from '../StepsSkeleton';
@@ -50,7 +51,7 @@ export const GuideContext = createContext<GuideContextType>({
 type Props = {
   className?: string;
   guideId: string;
-  app?: ApplicationResponse;
+  app: ApplicationResponse;
   isCompact?: boolean;
   onClose: () => void;
 };
@@ -61,28 +62,26 @@ function Guide({ className, guideId, app, isCompact, onClose }: Props) {
   const isCustomDomainActive = customDomain?.status === DomainStatus.Active;
   const guide = guides.find(({ id }) => id === guideId);
 
-  if (!app || !guide) {
-    throw new Error('Invalid app or guide');
-  }
-
-  const GuideComponent = guide.Component;
+  const GuideComponent = guide?.Component;
 
   const memorizedContext = useMemo(
     () =>
-      ({
-        metadata: guide.metadata,
-        Logo: guide.Logo,
-        app,
-        endpoint: tenantEndpoint?.toString() ?? '',
-        alternativeEndpoint: conditional(isCustomDomainActive && tenantEndpoint?.toString()),
-        redirectUris: app.oidcClientMetadata.redirectUris,
-        postLogoutRedirectUris: app.oidcClientMetadata.postLogoutRedirectUris,
-        isCompact: Boolean(isCompact),
-        sampleUrls: {
-          origin: 'http://localhost:3001/',
-          callback: 'http://localhost:3001/callback',
-        },
-      }) satisfies GuideContextType,
+      conditional(
+        !!guide && {
+          metadata: guide.metadata,
+          Logo: guide.Logo,
+          app,
+          endpoint: tenantEndpoint?.toString() ?? '',
+          alternativeEndpoint: conditional(isCustomDomainActive && tenantEndpoint?.toString()),
+          redirectUris: app.oidcClientMetadata.redirectUris,
+          postLogoutRedirectUris: app.oidcClientMetadata.postLogoutRedirectUris,
+          isCompact: Boolean(isCompact),
+          sampleUrls: {
+            origin: 'http://localhost:3001/',
+            callback: 'http://localhost:3001/callback',
+          },
+        }
+      ) satisfies GuideContextType | undefined,
     [guide, app, tenantEndpoint, isCustomDomainActive, isCompact]
   );
 
@@ -90,39 +89,43 @@ function Guide({ className, guideId, app, isCompact, onClose }: Props) {
     <div className={classNames(styles.container, className)}>
       {!isCompact && <GuideHeader onClose={onClose} />}
       <div className={styles.content}>
-        <GuideContext.Provider value={memorizedContext}>
-          <MDXProvider
-            components={{
-              code: ({ className, children }) => {
-                const [, language] = /language-(\w+)/.exec(String(className ?? '')) ?? [];
+        {memorizedContext ? (
+          <GuideContext.Provider value={memorizedContext}>
+            <MDXProvider
+              components={{
+                code: ({ className, children }) => {
+                  const [, language] = /language-(\w+)/.exec(String(className ?? '')) ?? [];
 
-                return language ? (
-                  <CodeEditor
-                    isReadonly
-                    // We need to transform `ts` to `typescript` for prismjs, and
-                    // it's weird since it worked in the original Guide component.
-                    // To be investigated.
-                    language={language === 'ts' ? 'typescript' : language}
-                    value={String(children).trimEnd()}
-                  />
-                ) : (
-                  <code>{String(children).trimEnd()}</code>
-                );
-              },
-              a: ({ children, ...props }) => (
-                <TextLink {...props} target="_blank" rel="noopener noreferrer">
-                  {children}
-                </TextLink>
-              ),
-              details: DetailsSummary,
-            }}
-          >
-            <Suspense fallback={<StepsSkeleton />}>
-              {tenantEndpoint && <GuideComponent {...memorizedContext} />}
-            </Suspense>
-          </MDXProvider>
-        </GuideContext.Provider>
-        {!isCompact && (
+                  return language ? (
+                    <CodeEditor
+                      isReadonly
+                      // We need to transform `ts` to `typescript` for prismjs, and
+                      // it's weird since it worked in the original Guide component.
+                      // To be investigated.
+                      language={language === 'ts' ? 'typescript' : language}
+                      value={String(children).trimEnd()}
+                    />
+                  ) : (
+                    <code>{String(children).trimEnd()}</code>
+                  );
+                },
+                a: ({ children, ...props }) => (
+                  <TextLink {...props} target="_blank" rel="noopener noreferrer">
+                    {children}
+                  </TextLink>
+                ),
+                details: DetailsSummary,
+              }}
+            >
+              <Suspense fallback={<StepsSkeleton />}>
+                {tenantEndpoint && GuideComponent && <GuideComponent {...memorizedContext} />}
+              </Suspense>
+            </MDXProvider>
+          </GuideContext.Provider>
+        ) : (
+          <NotFound className={styles.notFound} />
+        )}
+        {!isCompact && memorizedContext && (
           <nav className={styles.actionBar}>
             <div className={styles.layout}>
               <Button
diff --git a/packages/console/src/pages/NotFound/index.tsx b/packages/console/src/pages/NotFound/index.tsx
index 6235de182..c574e6201 100644
--- a/packages/console/src/pages/NotFound/index.tsx
+++ b/packages/console/src/pages/NotFound/index.tsx
@@ -1,4 +1,5 @@
 import { Theme } from '@logto/schemas';
+import classNames from 'classnames';
 import { useTranslation } from 'react-i18next';
 import { useLocation } from 'react-router-dom';
 
@@ -10,13 +11,17 @@ import useTheme from '@/hooks/use-theme';
 
 import * as styles from './index.module.scss';
 
-function NotFound() {
+type Props = {
+  className?: string;
+};
+
+function NotFound({ className }: Props) {
   const { t } = useTranslation(undefined, { keyPrefix: 'admin_console' });
   const theme = useTheme();
   const location = useLocation();
 
   return (
-    <div className={styles.container}>
+    <div className={classNames(styles.container, className)}>
       {/* Don't track "not found" for the root path as it will be redirected. */}
       <PageMeta titleKey="errors.page_not_found" trackPageView={location.pathname !== '/'} />
       <Card className={styles.content}>