1. A concise explanation of the problem you're experiencing.
Steps
1) go to the https://cesiumjs.org/
2) click on tap to interact.
3) Select open street map view.
4) Go to under the ground level by zooming and rotating.
5) Following error was occurred when trying to rotate, zoom in or zoom out in under the ground level.
An error occurred while rendering. Rendering has stopped.
RangeError: invalid array length
E@https://cesiumjs.org/Cesium/Build/Apps/CesiumViewer/CesiumViewerStartup.js:510:12639
T.prototype.createPotentiallyVisibleSet@https://cesiumjs.org/Cesium/Build/Apps/CesiumViewer/CesiumViewerStartup.js:510:15752
Ke@https://cesiumjs.org/Cesium/Build/Apps/CesiumViewer/CesiumViewerStartup.js:511:6256
Xe@https://cesiumjs.org/Cesium/Build/Apps/CesiumViewer/CesiumViewerStartup.js:511:3641
st@https://cesiumjs.org/Cesium/Build/Apps/CesiumViewer/CesiumViewerStartup.js:511:12803
lt@https://cesiumjs.org/Cesium/Build/Apps/CesiumViewer/CesiumViewerStartup.js:511:12990
Ae.prototype.render@https://cesiumjs.org/Cesium/Build/Apps/CesiumViewer/CesiumViewerStartup.js:511:23308
S.prototype.render@https://cesiumjs.org/Cesium/Build/Apps/CesiumViewer/CesiumViewerStartup.js:512:31579
t@https://cesiumjs.org/Cesium/Build/Apps/CesiumViewer/CesiumViewerStartup.js:512:25039
2. A minimal code example. If you've found a bug, this helps us reproduce and repair it.
just used the demo provided in the https://cesiumjs.org/.
3. Context. Why do you need to do this? We might know a better way to accomplish your goal.
4. The Cesium version you're using, your operating system and browser.
operating system - windows 10
Browser- google chrome