dev 반영 code check 오류 수정

userfront/lib/features/auth/presentation/error_screen.dart

@@ -332,14 +332,18 @@ class _ErrorScreenState extends State<ErrorScreen> {
     final showTenantLookupFallback =
         _tenantAccessDetails == null &&
         (emailLabel.isEmpty || tenantLabel.isEmpty);
+    final internalWhitelistDetail = internalWhitelistKey == null
+        ? null
+        : tr(internalWhitelistKey);
     final detail = isTenantAccessBlocked
         ? tr(
             'msg.userfront.error.tenant.detail',
-            fallback: 'The current signed-in account cannot access this application.',
+            fallback:
+                'The current signed-in account cannot access this application.',
           )
         : isProd
         ? (isInternalWhitelisted
-              ? tr(internalWhitelistKey!)
+              ? internalWhitelistDetail!
               : (isOryBypass
                     ? tr(
                         'msg.userfront.error.ory.$normalizedCode',
@@ -444,7 +448,8 @@ class _ErrorScreenState extends State<ErrorScreen> {
                                           child: Text(
                                             tr(
                                               'msg.userfront.error.tenant.loading',
-                                              fallback: 'Loading the current account details.',
+                                              fallback:
+                                                  'Loading the current account details.',
                                             ),
                                             style: theme.textTheme.bodySmall
                                                 ?.copyWith(