I am getting crashes when I edit a save and load it without restarting the game:

Exception: Object reference not set to an instance of an object. (System.NullReferenceException)
Target site: Boolean LevelRenderer_DrawBackground_Prefix(Microsoft.Xna.Framework.Graphics.SpriteBatch, Barotrauma.Camera, Barotrauma.LevelObjectManager, Barotrauma.BackgroundCreatureManager, Barotrauma.LevelRenderer)
Stack trace:
at RemoveAll.RemoveAllMod.LevelRenderer_DrawBackground_Prefix(SpriteBatch spriteBatch, Camera cam, LevelObjectManager backgroundSpriteManager, BackgroundCreatureManager backgroundCreatureManager, LevelRenderer __instance)
at Barotrauma.LevelRenderer.DrawBackground_Patch2(LevelRenderer this, SpriteBatch spriteBatch, Camera cam, LevelObjectManager backgroundSpriteManager, BackgroundCreatureManager backgroundCreatureManager)
at RemoveAll.RemoveAllMod.Level_DrawBack_Prefix(GraphicsDevice graphics, SpriteBatch spriteBatch, Camera cam, Level __instance)
at Barotrauma.Level.DrawBack_Patch1(Level this, GraphicsDevice graphics, SpriteBatch spriteBatch, Camera cam)
at Barotrauma.GameScreen.DrawMap(GraphicsDevice graphics, SpriteBatch spriteBatch, Double deltaTime) in <DEV>\Barotrauma\BarotraumaClient\ClientSource\Screens\GameScreen.cs:line 227
at Barotrauma.GameScreen.Draw(Double deltaTime, GraphicsDevice graphics, SpriteBatch spriteBatch) in <DEV>\Barotrauma\BarotraumaClient\ClientSource\Screens\GameScreen.cs:line 123
at Barotrauma.GameMain.Draw(GameTime gameTime) in <DEV>\Barotrauma\BarotraumaClient\ClientSource\GameMain.cs:line 1059
at Microsoft.Xna.Framework.Game.DoDraw(GameTime gameTime) in E:\Barotrauma-development\Libraries\MonoGame.Framework\Src\MonoGame.Framework\Game.cs:line 669
at Microsoft.Xna.Framework.Game.Tick() in E:\Barotrauma-development\Libraries\MonoGame.Framework\Src\MonoGame.Framework\Game.cs:line 508
at Microsoft.Xna.Framework.SdlGamePlatform.RunLoop() in E:\Barotrauma-development\Libraries\MonoGame.Framework\Src\MonoGame.Framework\SDL\SDLGamePlatform.cs:line 93
at Microsoft.Xna.Framework.Game.Run(GameRunBehavior runBehavior) in E:\Barotrauma-development\Libraries\MonoGame.Framework\Src\MonoGame.Framework\Game.cs:line 397
at Microsoft.Xna.Framework.Game.Run() in E:\Barotrauma-development\Libraries\MonoGame.Framework\Src\MonoGame.Framework\Game.cs:line 367
at Barotrauma.Program.Main(String[] args) in <DEV>\Barotrauma\BarotraumaClient\ClientSource\Program.cs:line 61

No crashes after restarting the game.

So, you opened some save, closed it, edited it in save editor, opened it again and game crashed?

引用自 Nupaska：

So, you opened some save, closed it, edited it in save editor, opened it again and game crashed?

Yes. And I only change some missions's destination ids.