I have the same error:
Message: Referencia a objeto no establecida como instancia de un objeto.
InnerException:
Stack Trace: en StardewValley.Menus.CarpenterMenu.<>c__DisplayClass54_0.<receiveLeftClick>b__2() en C:\GitlabRunner\builds\Gq5qA5P4\0\ConcernedApe\stardewvalley\Farmer\Farmer\Menus\CarpenterMenu.cs:línea 681
en StardewValley.Network.NetWitnessedLock.Update() en C:\GitlabRunner\builds\Gq5qA5P4\0\ConcernedApe\stardewvalley\Farmer\Farmer\Network\NetWitnessedLock.cs:línea 84
en StardewValley.FarmerTeam.Update() en C:\GitlabRunner\builds\Gq5qA5P4\0\ConcernedApe\stardewvalley\Farmer\Farmer\FarmerTeam.cs:línea 1282
en StardewValley.Game1._update(GameTime gameTime) en C:\GitlabRunner\builds\Gq5qA5P4\0\ConcernedApe\stardewvalley\Farmer\Farmer\Game1.cs:línea 4047
en StardewValley.Game1.Update(GameTime gameTime) en C:\GitlabRunner\builds\Gq5qA5P4\0\ConcernedApe\stardewvalley\Farmer\Farmer\Game1.cs:línea 3757
en StardewValley.GameRunner.Update(GameTime gameTime) en C:\GitlabRunner\builds\Gq5qA5P4\0\ConcernedApe\stardewvalley\Farmer\Farmer\LocalMultiplayer.cs:línea 958
en Microsoft.Xna.Framework.Game.Tick()
en Microsoft.Xna.Framework.Game.HostIdle(Object sender, EventArgs e)
en Microsoft.Xna.Framework.GameHost.OnIdle()
en Microsoft.Xna.Framework.WindowsGameHost.RunOneFrame()
en Microsoft.Xna.Framework.WindowsGameHost.ApplicationIdle(Object sender, EventArgs e)
en System.Windows.Forms.Application.ThreadContext.System.Windows.Forms.UnsafeNativeMethods.IMsoComponent.FDoIdle(Int32 grfidlef)
en System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
en System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
en System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
en System.Windows.Forms.Application.Run(Form mainForm)
en Microsoft.Xna.Framework.WindowsGameHost.Run()
en Microsoft.Xna.Framework.Game.RunGame(Boolean useBlockingRun)
en StardewValley.Program.Main(String[] args) en C:\GitlabRunner\builds\Gq5qA5P4\0\ConcernedApe\stardewvalley\Farmer\Farmer\Program.cs:línea 156