Thanks for the report, i seem to be unable to reproduce the issue, could you share your scenario that is failing to load?

Scenarios should be located in %appdata%/Factorio/scenarios. Based on the log file, for you it would be: C:/Users/Rich/AppData/Roaming/Factorio/scenarios


Okay, I'm at the ...

I recently made a map and wanted to play it, so I saved it as a custom scenario. However, every time I try to play it, or any other custom scenario, the game crashes. Here are the debug files and my specs:

Specifications
Operating System: Windows 10 Home 64-bit (10.0, Build 19045)
Processor ...