Exception when read Base about memory.dll HOT 3 CLOSED

private Boolean Inited=false;
private const Int64 StartAddress=0x5FB0000; //i found this by "x96dbg"
private const String AobHex="?? 06 0C 00 ?? 05 0D 00 00"; //may entity struct
private Nullable<IntPtr> PlayerStructAddress; // Nullable for dispose
private Int32 PlayerDefaultHp;
private Timer LockTimer=new Timer(){AutoReset=true,Intvel=100,Enable=false};
private Boolean LockTimerInAction=false;
private Memory.mem GameProcessMemory;

public EventHandler GameProcessExited;

public ctor(Memory.mem mem){
    GameProcessMemory=mem;//from MainWindow,all cheat Class share this instance
    GameProcessExited+=(sender,eventAreg)=>{
        LockTimer.Enable=false;
        LockTimerInAction=false;
        PlayerStructAddress=null;
        Inited=false;
    };
    LockTimer.Elapsed+=(sender,eventArgs)=>{
        if(LockTimerInAction){return;}
        LockTimerInAction=true;
        CheatEngine.WriteProcessMemoryAsInt32(GameProcessMemory.pHandle,PlayerStructAddress+0x0C,PlayerDefaultHp);
        LockTimerInAction=false;
    };
}

private Boolean Init(){
    if(Inited){return true;}
    //i guess EndAddress is 0x7FFFFFFF because this region is not in Visible module
    Int64[] addressArray=GameProcessMemory.AobScan(StartAddress,0x7FFFFFFF,AobHex,true,true);
    if(addressArray.GetLength(0)<1){return false;}
    foreach(Int64 address in addressArray){
        //I have some method myself to read or write memory,and use IntPtr,not hex String
        //the address+0x0c is entity's hp value
        IntPtr p1=new IntPtr(address+0x0c);
        //the address+0x14 is entity's type,player(0) or enemy(257) or frindly(1)
        IntPtr p2=new IntPtr(address+0x14);
        Nullable<Int32> i1=CheatEngine.ReadProcessMemoryAsInt32(GameProcessMemory.pHandle,p1);
        if(i1==null || !i1.HasValue || i1.Value<1){continue;}//hp always > 0,and died eneity i don't care
        Nullable<Int32> i2=CheatEngine.ReadProcessMemoryAsInt32(GameProcessMemory.pHandle,p2);
        if(i2==null || !i2.HasValue || i2.Value==257){continue;}//i only care myself hp,and you can extend this for friendly entity
        PlayerStructAddress=new IntPtr(address);
    break;}
    return PlayerStructAddress!=null;
}

public Boolean Enable(){
    if(!Init()){return false;}
    LockTimer.Enable=true;
}

public Boolean Disable(){
    if(Inited){return false;}
    LockTimer.Enable=false;
}

public void Dispose(){
    // dispose mode see MSDN for more
    LockTimer.Dispose();
}