Premiere Pro 25.1.0 Timeline layers randomly turning OFF and not showing up

I'm working on an edit with several layers in the timeline, trying out different combinations in V2, V3... When playing the video from the timeline, some layers are NOT showing up, just as if I had turned them off with the eye icon, but without having done so. I have to restart the program in order for me to be able to see these layers. This error is happening randomly, and it has happened 3 times in the last 2-3 hours. It's very confusing because the edit is changing constantly and now I'm not sure if I'm looking at the actual cut, or at a cut with some layers that are "off". 

My computer settings:

MacBook Pro (16-inch, 2019)

2.3 GHz Intel Core i9 8 nucleos

32 GB 2667 MHz DDR4

Macintosh HD

AMD Radeon Pro 5500M 8 GB

Intel UHD Graphics 630 1536 MB