Larian Studios Forums Divinity: Original Sin 2 - The Modding Dungeon Divinity - Original Sin 2 - Modding Troubleshooting Build story errors and other errors

Looks like your "Divinity Engine 2 Data" may be out of date, hence the story editor errors.

On Steam, this is the DLC under DOS2. Not sure where it's located for GOG, but see if that needs an update as well.