Fatal error: Uncaught Error: Class "SimpleTest" not found in C:\xampp\htdocs\np\vendor\sergeytsalkov\meekrodb\simpletest\WalkTest.php:3 Stack trace: #0 {main} thrown in C:\xampp\htdocs\np\vendor\sergeytsalkov\meekrodb\simpletest\WalkTest.php on line 3