title: Cesium-terrain-builder-docker error when i load cesium.js in browser
body: <p>I want to serve custom terrain data at my server, so I tried Cesium Terrain Builder Docker (<a href="https://github.com/tum-gis/cesium-terrain-builder-docker" rel="nofollow noreferrer">cesium-terrain-builder-docker</a>).</p>
  
  <p>(maybe) Completely generate quantized-mesh-terrain using cesium-terrain-builder docker, but error occurs when loading cesium.js in browser</p>
  
  <p>Generated quantized-mesh terrain using cesium-terrain-builder:</p>
  
  <p><a href="https://i.stack.imgur.com/EKSb7.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/EKSb7.jpg" alt="Generated quantized-mesh terrain using cesium-terrain-builder"></a></p>
  
  <p>This is my HTML code:</p>
  
  <p><a href="https://i.stack.imgur.com/Zue7d.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Zue7d.jpg" alt="Minimal HTML code"></a></p>
  
  <p>and this is error message at Chrome browser console:</p>
  
  <p><a href="https://i.stack.imgur.com/hMAI5.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/hMAI5.jpg" alt="error message"></a></p>