fix: surface actionable errors when completing documents (#3229)

apps/remix/app/components/general/document-signing/document-signing-form.tsx

@@ -1,3 +1,4 @@
+import { AppError } from '@documenso/lib/errors/app-error';
 import type { DocumentAndSender } from '@documenso/lib/server-only/document/get-document-by-token';
 import type { TRecipientAccessAuth } from '@documenso/lib/types/document-auth';
 import { isFieldUnsignedAndRequired } from '@documenso/lib/utils/advanced-fields-helpers';
@@ -19,6 +20,8 @@ import { useId, useMemo, useState } from 'react';
 import { Controller, useForm } from 'react-hook-form';
 import { useNavigate } from 'react-router';
 
+import { getSigningCompletionErrorMessage } from '~/utils/toast-error-messages';
+
 import { AssistantConfirmationDialog, type NextSigner } from '../../dialogs/assistant-confirmation-dialog';
 import { DocumentSigningCompleteDialog } from './document-signing-complete-dialog';
 import { useRequiredDocumentSigningContext } from './document-signing-provider';
@@ -100,9 +103,12 @@ export const DocumentSigningForm = ({
     try {
       await completeDocument({ nextSigner });
     } catch (err) {
+      const error = AppError.parseError(err);
+      const toastMessage = getSigningCompletionErrorMessage(error.code);
+
       toast({
-        title: _(msg`Error`),
-        description: _(msg`An error occurred while completing the document. Please try again.`),
+        title: _(toastMessage.title),
+        description: _(toastMessage.description),
         variant: 'destructive',
       });