[2019] No Sphere in Tomb of Miktrull.

Anyone else stuck in the Tomb? The sphere dropped but disappeared when I made my way down to place it on the platform.

Here's a video of it:
https://www.youtube.com/watch?v=cJENLV1jmpo&feature=youtu.be

I've tried going to different meditation points, and saving and re-setting, but looks like I'm stuck here.