fix create

app/controllers/UserController.php

@@ -21,7 +21,7 @@ class UserController extends Controller{
     {
 //        $loader = new \Twig\Loader\FilesystemLoader(__DIR__.'/../views');
 //        $twig = new \Twig\Environment($loader, ['cache' => 'app/views/cache']);
-        echo $this->twig->render('userCreate.html');
+        echo $this->twig->render('user_create.html.twig');
     }
 
     public function actionAdd(): void
@@ -84,7 +84,7 @@ class UserController extends Controller{
     {
 //        $loader = new \Twig\Loader\FilesystemLoader(__DIR__.'/../views');
 //        $twig = new \Twig\Environment($loader, ['cache' => 'app/views/cache']);
-        echo $this->twig->render('userUpdate.html');
+        echo $this->twig->render('user_update.html.twig');
     }
 
     public function actionEdit(): void

composer.lock

@@ -2006,5 +2006,5 @@
     "prefer-lowest": false,
     "platform": [],
     "platform-dev": [],
-    "plugin-api-version": "2.3.0"
+    "plugin-api-version": "2.6.0"
 }

views/user_create.html.twig

@@ -1,4 +1,4 @@
-{% extends "mainLayout.html" %}
+{% extends "main_layout.html.twig" %}
 
 {% block content %}
 <form action="/admin/user/" method="post">

views/user_update.html.twig

@@ -1,4 +1,4 @@
-{% extends "mainLayout.html" %}
+{% extends "main_layout.html.twig" %}
 
 {% block content %}
 <form action="/admin/user/edit" method="post">