diff --git a/.changeset/mosaic-add-contact-empty-error.md b/.changeset/mosaic-add-contact-empty-error.md
new file mode 100644
index 00000000000..0486c63b88b
--- /dev/null
+++ b/.changeset/mosaic-add-contact-empty-error.md
@@ -0,0 +1,5 @@
+---
+'@clerk/mosaic': patch
+---
+
+Show the generic error message in the `UserProfile` add email and add phone dialogs when sending a verification fails with a Clerk response that carries no error details. Previously these dialogs showed no message.
diff --git a/packages/mosaic/src/features/user-profile/user-profile-email-section/__tests__/user-profile-email-section.feature.test.tsx b/packages/mosaic/src/features/user-profile/user-profile-email-section/__tests__/user-profile-email-section.feature.test.tsx
index bd739117a6b..b9185a45480 100644
--- a/packages/mosaic/src/features/user-profile/user-profile-email-section/__tests__/user-profile-email-section.feature.test.tsx
+++ b/packages/mosaic/src/features/user-profile/user-profile-email-section/__tests__/user-profile-email-section.feature.test.tsx
@@ -1,15 +1,18 @@
 import type { EmailAddressJSON, EnterpriseAccountConnectionJSON } from '@clerk/shared/types';
 import { act, screen, waitFor, within } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
+import { http, HttpResponse } from 'msw';
 import { describe, expect, it, vi } from 'vitest';
 
 import {
   demandReverificationOnce,
   type FakeFapiSeed,
+  fapiUrl,
   holdRequests,
   serveFapi,
   VERIFICATION_CODE,
   verifyEmailOutOfBand,
+  worker,
 } from '../../../../__tests__/feature/fake-fapi';
 import {
   fapiClient,
@@ -83,6 +86,21 @@ describe('the user profile email section', () => {
     expect(emailRow()).not.toHaveTextContent('Unverified');
   });
 
+  it('says something went wrong when sending the code fails without details', async () => {
+    const { actor } = await renderSection(signedInWithEmails([]));
+    worker.use(
+      http.post(fapiUrl('/v1/me/email_addresses/:id/prepare_verification'), () =>
+        HttpResponse.json({ errors: [] }, { status: 500 }),
+      ),
+    );
+
+    await actor.click(screen.getByRole('button', { name: 'Add email' }));
+    await actor.type(screen.getByRole('textbox', { name: 'Email' }), 'new@example.com');
+    await actor.click(screen.getByRole('button', { name: 'Continue' }));
+
+    expect(await screen.findByText('Something went wrong. Please try again.')).toBeInTheDocument();
+  });
+
   it('holds the code field until the code has been sent', async () => {
     const { actor } = await renderSection(signedInWithEmails([]));
     const prepare = holdRequests('post', '/v1/me/email_addresses/:id/prepare_verification');
diff --git a/packages/mosaic/src/features/user-profile/user-profile-phone-section/__tests__/user-profile-phone-section.feature.test.tsx b/packages/mosaic/src/features/user-profile/user-profile-phone-section/__tests__/user-profile-phone-section.feature.test.tsx
index 5bc04540616..4abe0f4d86b 100644
--- a/packages/mosaic/src/features/user-profile/user-profile-phone-section/__tests__/user-profile-phone-section.feature.test.tsx
+++ b/packages/mosaic/src/features/user-profile/user-profile-phone-section/__tests__/user-profile-phone-section.feature.test.tsx
@@ -1,14 +1,17 @@
 import type { EnterpriseAccountConnectionJSON, PhoneNumberJSON } from '@clerk/shared/types';
 import { act, screen, waitFor, within } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
+import { http, HttpResponse } from 'msw';
 import { describe, expect, it } from 'vitest';
 
 import {
   demandReverificationOnce,
   type FakeFapiSeed,
+  fapiUrl,
   holdRequests,
   serveFapi,
   VERIFICATION_CODE,
+  worker,
 } from '../../../../__tests__/feature/fake-fapi';
 import type { FapiAttributeOverrides } from '../../../../__tests__/feature/fapi';
 import {
@@ -125,6 +128,19 @@ describe('the user profile phone section', () => {
     expect(screen.getByText('+49')).toBeInTheDocument();
   });
 
+  it('says something went wrong when sending the code fails without details', async () => {
+    const { actor } = await renderSection();
+    worker.use(
+      http.post(fapiUrl('/v1/me/phone_numbers/:id/prepare_verification'), () =>
+        HttpResponse.json({ errors: [] }, { status: 500 }),
+      ),
+    );
+
+    await addPhone(actor, '8015550100');
+
+    expect(await screen.findByText('Something went wrong. Please try again.')).toBeInTheDocument();
+  });
+
   it('keeps the dialog open and says the code was wrong', async () => {
     const { actor } = await renderSection();
 
diff --git a/packages/mosaic/src/utils/__tests__/errors.test.tsx b/packages/mosaic/src/utils/__tests__/errors.test.tsx
index 9c8ce5c9fd4..7c4eb880b63 100644
--- a/packages/mosaic/src/utils/__tests__/errors.test.tsx
+++ b/packages/mosaic/src/utils/__tests__/errors.test.tsx
@@ -4,7 +4,7 @@ import type { ReactNode } from 'react';
 import { describe, expect, it, vi } from 'vitest';
 
 import { isLocalizableError, MosaicLocalizationProvider, resolveLocalization, useErrorText } from '../../localization';
-import { save, SaveError, toLocalizableError, toLocalizableErrors } from '../errors';
+import { save, SaveError, toFormError, toLocalizableError, toLocalizableErrors, UNEXPECTED_ERROR } from '../errors';
 
 function errorText() {
   const wrapper = ({ children }: { children: ReactNode }) => (
@@ -32,6 +32,12 @@ describe('save', () => {
   });
 });
 
+describe('toFormError', () => {
+  it('reads a save that carried nothing as the generic error', () => {
+    expect(toFormError(new SaveError({})).global).toEqual(UNEXPECTED_ERROR);
+  });
+});
+
 describe('toLocalizableError', () => {
   it('reads the global error a save left, code and all', () => {
     const cause = new SaveError({ global: { code: 'action_blocked', message: 'Raw server sentence.' } });
diff --git a/packages/mosaic/src/utils/errors.ts b/packages/mosaic/src/utils/errors.ts
index b30ce0eb457..fe4c771a3ec 100644
--- a/packages/mosaic/src/utils/errors.ts
+++ b/packages/mosaic/src/utils/errors.ts
@@ -126,7 +126,7 @@ export function toLocalizableErrors(cause: unknown): ErrorDescription[] {
 export function toFormError(cause: unknown): FormError {
   if (cause instanceof SaveError) {
     const { global, fields } = cause.formError;
-    return { global, fields };
+    return global || fields ? { global, fields } : { global: UNEXPECTED_ERROR };
   }
   console.error('[Clerk] Could not localize error', cause);
   return { global: UNEXPECTED_ERROR };