Move the “Source” map folder to the “Saves” folder.
To fix this, install a previous build or change the version of the game. Please note that some releases may contain bugs, custom data packs that are incompatible with other modifications, and in some cases may cause conflicts within Forge, Fabric or Optifine.Select the latest version of the “Source” folder that matches the game version.Additionally, you can also find various folders that contain alternative data packs and resource packs. Inside there is a folder with the source map.Download the “Zip” archive from our website.Make sure that you have the “Java” application installed.