I was working on my project, and was about to add a Purpur Stair, and when I changed the type, the fatal error occurred. I was using a resource pack when it happened.
Here's the error:
"Invalid id 154338
in CppProject::Asset::Find:86
Version: 2.0.0 (Windows 10 Version 2009)"
Here's the log:
pastebin.com/L1VQZQ4b