This is one of the quickest and most effective solutions. Make sure your game dump is complete and uncorrupted. The official RPCS3 Quickstart guide strongly recommends using a tool to verify your game dumps.
: Ensure you are on the latest build. Use the built-in updater or download the latest version from the official site. rpcs3 thread terminated due to fatal error verified
Your settings can have a huge impact on stability. This is one of the quickest and most effective solutions