Getting error for the babylonjs materials library
HTML Code:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>ScrollShape</title>
<style>
html, body {
overflow: hidden;
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}
#renderCanvas {
width: 100%;
height: 100%;
touch-action: none;
}
</style>
<script src="https://cdnjs.cloudflare.com/ajax/libs/babylonjs/4.2.0/babylon.js"></script>
<!-- <script src="https://cdn.babylonjs.com/babylon.js"></script> -->
<script src="https://preview.babylonjs.com/materialsLibrary/babylonjs.materials.min.js"></script>
<script src="https://unpkg.com/earcut@2.1.1/dist/earcut.min.js"></script>
<script src="https://cdn.babylonjs.com/ammo.js"></script>
</head>
<body>
<canvas id = "renderCanvas"></canvas>
<script src="js/app.js"></script>
</body>
</html>
Error Sceenshot: