Upgrading Cesium leads to typeerror on line 483

1. A concise explanation of the problem you're experiencing.

When I use a click listener to make an entity, I get an error that says
An error occurred while rendering. Rendering has stopped.
TypeError: i is undefined
And it points to Cesium.js lines 483:21020, 484:7080, and a bunch of others.

2. A minimal code example. If you've found a bug, this helps us reproduce and repair it.


3. Context. Why do you need to do this? We might know a better way to accomplish your goal.

I'm trying to click on the globe, and the rendering stops

4. The Cesium version you're using, your operating system and browser.

Just upgraded from Cesium 1.7.1 to Cesium 1.47, Centos, Firefox

Get cesium 1.48
That fixed a rendering error I experienced on 1.47