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Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index RRS feed

  • Question

  • User-636335550 posted

    HOW DO I FIX THIS PLEASE HELP! Cry

    See the end of this message for details on invoking
    just-in-time (JIT) debugging instead of this dialog box.

    ************** Exception Text **************
    System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
    Parameter name: index
    at System.ThrowHelper.ThrowArgumentOutOfRangeException()
    at ForgeBot.BotServer.assignFtpData()
    at ForgeBot.BotServer.syncWithServer()
    at ForgeBot.Form1.Form1_Load(Object sender, EventArgs e)
    at System.Windows.Forms.Form.OnLoad(EventArgs e)
    at System.Windows.Forms.Form.OnCreateControl()
    at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
    at System.Windows.Forms.Control.CreateControl()
    at System.Windows.Forms.Control.WmShowWindow(Message& m)
    at System.Windows.Forms.Control.WndProc(Message& m)
    at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
    at System.Windows.Forms.Form.WmShowWindow(Message& m)
    at System.Windows.Forms.Form.WndProc(Message& m)
    at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
    at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
    at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)


    ************** Loaded Assemblies **************
    mscorlib
    Assembly Version: 4.0.0.0
    Win32 Version: 4.0.30319.269 (RTMGDR.030319-2600)
    CodeBase: file:///C:/Windows/Microsoft.NET/Framework/v4.0.30319/mscorlib.dll
    ----------------------------------------
    ForgeBot
    Assembly Version: 1.0.0.0
    Win32 Version: 1.0.0.0
    CodeBase: file:///C:/Users/Family/Desktop/ForgeBot_v0.22/ForgeBot.exe
    ----------------------------------------
    System.Windows.Forms
    Assembly Version: 4.0.0.0
    Win32 Version: 4.0.30319.278 built by: RTMGDR
    CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Windows.Forms/v4.0_4.0.0.0__b77a5c561934e089/System.Windows.Forms.dll
    ----------------------------------------
    System.Drawing
    Assembly Version: 4.0.0.0
    Win32 Version: 4.0.30319.282 built by: RTMGDR
    CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Drawing/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll
    ----------------------------------------
    System
    Assembly Version: 4.0.0.0
    Win32 Version: 4.0.30319.269 built by: RTMGDR
    CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System/v4.0_4.0.0.0__b77a5c561934e089/System.dll
    ----------------------------------------
    Awesomium.Core
    Assembly Version: 1.6.6.0
    Win32 Version: 1.6.6.0
    CodeBase: file:///C:/Users/Family/Desktop/ForgeBot_v0.22/Awesomium.Core.DLL
    ----------------------------------------
    System.Configuration
    Assembly Version: 4.0.0.0
    Win32 Version: 4.0.30319.1 (RTMRel.030319-0100)
    CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Configuration/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Configuration.dll
    ----------------------------------------
    System.Xml
    Assembly Version: 4.0.0.0
    Win32 Version: 4.0.30319.233 built by: RTMGDR
    CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Xml/v4.0_4.0.0.0__b77a5c561934e089/System.Xml.dll
    ----------------------------------------

    ************** JIT Debugging **************
    To enable just-in-time (JIT) debugging, the .config file for this
    application or computer (machine.config) must have the
    jitDebugging value set in the system.windows.forms section.
    The application must also be compiled with debugging
    enabled.

    For example:

    <configuration>
    <system.windows.forms jitDebugging="true" />
    </configuration>

    When JIT debugging is enabled, any unhandled exception
    will be sent to the JIT debugger registered on the computer
    rather than be handled by this dialog box.

    Monday, September 3, 2012 8:48 PM

Answers

  • User-1364446067 posted

    Hi,

    No need to worry about all this..

    Just debug your code and check where you are getting values from array / collection/ List etc based on index.

    You are trying to get value from those using an invalid index.

    I mean if there are 100 items in array, you are trying to get 101th item which is invalid. So starting from 0 - 99 is valid for array having 100 items, but index: 100 is invalid

    --

    Hope this helps..

    • Marked as answer by Anonymous Thursday, October 7, 2021 12:00 AM
    Monday, September 3, 2012 9:04 PM