Is my game forked or is my game forked?

Just get this until the game crashes, any ideas on anything I can do to help save my world?

https://preview.redd.it/1gmy71pwzcu81.jpg?width=1920&format=pjpg&auto=webp&s=46bf03643c7fd87b6a9635aab0d932bbccadbd64

https://preview.redd.it/8djw32pwzcu81.jpg?width=1920&format=pjpg&auto=webp&s=88d3ae1545e18a4f87db6909c8a92c99cc2c5d95