@naeem For a sensible answer, I need to know more information. Which JSON file is it and what is it for?
JSON file is easy to create, just click "Write to file", for example, with the name "my_file.json". You can find the content (syntax) of JSON here: https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Objects/JSON
This update has ruined my script, went from easily running 100 threads to non stop fails on 50... how can I compile so when launched it'll use an older version?