Made the single-purpose controllers into invokable controllers instead.

app/Http/Controllers/DashboardController.php

@@ -6,7 +6,7 @@ use Inertia\Inertia;
 
 class DashboardController extends Controller
 {
-    public function index()
+    public function __invoke()
     {
         return Inertia::render('Dashboard/Index');
     }

app/Http/Controllers/ReportsController.php

@@ -6,7 +6,7 @@ use Inertia\Inertia;
 
 class ReportsController extends Controller
 {
-    public function index()
+    public function __invoke()
     {
         return Inertia::render('Reports/Index');
     }

routes/web.php

@@ -17,7 +17,7 @@ Route::post('login')->name('login.attempt')->uses('Auth\LoginController@login');
 Route::get('logout')->name('logout')->uses('Auth\LoginController@logout');
 
 // Dashboard
-Route::get('/')->name('dashboard')->uses('DashboardController@index')->middleware('auth');
+Route::get('/')->name('dashboard')->uses('DashboardController')->middleware('auth');
 
 // Accounts
 Route::get('accounts')->name('accounts')->uses('AccountsController@index')->middleware('remember', 'auth');
@@ -56,7 +56,7 @@ Route::delete('contacts/{contact}')->name('contacts.destroy')->uses('ContactsCon
 Route::put('contacts/{contact}/restore')->name('contacts.restore')->uses('ContactsController@restore')->middleware('auth');
 
 // Reports
-Route::get('reports')->name('reports')->uses('ReportsController@index')->middleware('auth');
+Route::get('reports')->name('reports')->uses('ReportsController')->middleware('auth');
 
 // 500 error
 Route::get('500', function () {