PC [HELP] ERROR IN GAME: Black screen when I go to sleep, progress doesn't save.

[aichvc]

This error pops up in SMAPI
[game] An error occurred in the base update loop: System.NullReferenceException: Object reference not set to an instance of an object


at StardewValley.ShipObjective.OnItemShipped (StardewValley.Farmer farmer, StardewValley.Item item, Int32 shipped_price) <0x13b4da990 + 0x00186> in <filename unknown>:0


at StardewValley.Game1+<_newDayAfterFade>d__715.MoveNext () <0x13b1d0000 + 0x02e00> in <filename unknown>:0


at StardewValley.Game1+<>c__DisplayClass713_0.<newDayAfterFade>b__0 () <0x13b1ce020 + 0x0004a> in <filename unknown>:0


at StardewModdingAPI.Framework.SModHooks.OnGame1_NewDayAfterFade (System.Action action) <0x13b1c7460 + 0x00031> in <filename unknown>:0


at StardewValley.Game1.newDayAfterFade (System.Action after) <0x13b1c70c0 + 0x0034e> in <filename unknown>:0


at StardewValley.Game1.onFadeToBlackComplete () <0x1351a0420 + 0x01718> in <filename unknown>:0


at StardewValley.BellsAndWhistles.ScreenFade.UpdateFade (Microsoft.Xna.Framework.GameTime time) <0x12b09d8d0 + 0x000b0> in <filename unknown>:0


at StardewValley.Game1.UpdateOther (Microsoft.Xna.Framework.GameTime time) <0x12b09b3b0 + 0x000ab> in <filename unknown>:0


at StardewValley.Game1._update (Microsoft.Xna.Framework.GameTime gameTime) <0x11f188930 + 0x046fd> in <filename unknown>:0


at StardewValley.Game1.Update (Microsoft.Xna.Framework.GameTime gameTime) <0x11f0dc990 + 0x00178> in <filename unknown>:0


at StardewModdingAPI.Framework.SGame.<>n__0 (Microsoft.Xna.Framework.GameTime gameTime) <0x11f0edda0 + 0x00019> in <filename unknown>:0


at StardewModdingAPI.Framework.SGame+<>c__DisplayClass40_0.<Update>b__0 () <0x11f0edd60 + 0x0001f> in <filename unknown>:0


at StardewModdingAPI.Framework.SCore.OnPlayerInstanceUpdating (StardewModdingAPI.Framework.SGame instance, Microsoft.Xna.Framework.GameTime gameTime, System.Action runUpdate) <0x11e91ca90 + 0x05194> in <filename unknown>:0