Issue Has someone any idea what causes the problem?

[1990Philipp]

Im playing with my friend on the same modded world, but every time she tries to sleep the game stucks on a black screen untli she leaves. This is the shown error code

Object reference not set to an instance of an object. at StardewValley.Game1.prepareSpouseForWedding_PatchedBy<aedenthorn.MultipleSpouses>(Farmer farmer) at StardewValley.Game1._newDayAfterFade()+MoveNext() at StardewValley.Game1.<>c.<newDayAfterFade>b716_2() at System.Threading.Tasks.Task.InnerInvoke() at System.Threading.Tasks.Task.<>c.<.cctor>b277_0(Object obj) at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) --- End of stack trace from previous location --- at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread) --------------- at StardewValley.Game1._update(GameTime gameTime) in stardewvalley\Farmer\Farmer\Game1.cs:line 4154 at StardewValley.Game1.Update(GameTime gameTime) in stardewvalley\Farmer\Farmer\Game1.cs:line 3974 at StardewModdingAPI.Framework.SCore.OnPlayerInstanceUpdating(SGame instance, GameTime gameTime, Action runUpdate) in SMAPI\Framework\SCore.cs:line 1057

Can someone help me out, thanks in advance :)