Server crash and more

 Rayfield = (:())()

 Players = :()
 RunService = :()
 plr = Players.LocalPlayer

 pianoRemote = :():()
  pianoRemote 
    Rayfield:({
        Title = ,
        Content = ,
        Duration = ,
        Image = ,
    })


.crash = 
.rakhook = 

 Window = Rayfield:({
    Name = ,
    Icon = ,
    LoadingTitle = ,
    LoadingSubtitle = ,
    Theme = ,
})

 CrashTab = Window:(, )
 LagTab = Window:(, )
 MiscTab = Window:(, )

CrashTab:()

CrashTab:({
    Name = ,
    Callback = ()
         character = plr.Character  plr.CharacterAdded:()
         backpack = plr:()

         firstTool = backpack:()

         firstTool 
            firstTool.Parent = character
        

        .()

         remote = :().LocalPlayer
            .Character:()
            :()

         i = ,  
            remote:()
        
    ,
})

LagTab:()

 Crasher = LagTab:({
    Name = ,
    CurrentValue = ,
    Callback = (Value)
        .crash = Value
         Value 
             plr.Character.Humanoid.Sit 
                Rayfield:({
                    Title = ,
                    Content = ,
                    Duration = ,
                    Image = ,
                })
            
                Rayfield:({
                    Title = ,
                    Content = ,
                    Duration = ,
                    Image = ,
                })
                
            
             .crash 
                 i = ,  
                    pianoRemote:(, i)
                
                .()
            
            pianoRemote:()
            Rayfield:({
                Title = ,
                Content = ,
                Duration = ,
                Image = ,
            })
        
    ,
})

MiscTab:()

MiscTab:({
    Name = ,
    Callback = ()
         player = .Players.LocalPlayer
         character = player.Character  player.CharacterAdded:()
         humanoidRootPart = character:()
         StarterGui = :()
        
         originalPosition = humanoidRootPart.Position
        
        (()
            StarterGui:(, {
                Title = ;
                Text = ;
                Duration = ;
            })
        )
        
        humanoidRootPart.CFrame = .(.(-, , ))
        
        .()
        
        (()
            StarterGui:(, {
                Title = ;
                Text = ;
                Duration = ;
            })
        )
        
        .rakhook = (packet)
             packet.PacketId ==  
                 data = packet.AsBuffer
                buffer.(data, , )
                packet:(data)
            
        
        
        raknet.(.rakhook)
        
        .()
        
        humanoidRootPart.CFrame = .(originalPosition)
        
        .()
        
        (()
            StarterGui:(, {
                Title = ;
                Text = ;
                Duration = ;
            })
        )
    ,
})

MiscTab:({
    Name = ,
    Callback = ()
         StarterGui = :()
        
         .rakhook 
            raknet.(.rakhook)
            .rakhook = 
        
        
        (()
            StarterGui:(, {
                Title = ;
                Text = ;
                Duration = ;
            })
        )
    ,
})

 Desync = MiscTab:({
    Name = ,
    CurrentValue = ,
    Callback = (Value)
         StarterGui = :()
        
          (title, text)
            (()
                StarterGui:(, {
                    Title = title;
                    Text = text;
                    Duration = ;
                })
            )
        

          (packet)
             packet.PacketId ==  
                 data = packet.AsBuffer
                buffer.(data, , )
                packet:(data)
            
        

         Value 
            (, )
            raknet.(rakhook)
        
            (, )
            raknet.(rakhook)
        
    ,
})

 Slider = MiscTab:({
    Name = ,
    Range = {, },
    Increment = ,
    Suffix = ,
    CurrentValue = ,
    Flag = ,
    Callback = (Value)
        plr.Character.Humanoid.WalkSpeed = Value
    ,
})