This happens to me every time I try to use the "Events" option in Pokemon Platinum.
Exception Details:
System.FormatException: La cadena de entrada no tiene el formato correcto.
en System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
en System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)
en System.Int16.Parse(String s, NumberStyles style, NumberFormatInfo info)
en PKHeX.Core.EventLabelCollection.TryParseHexDec(String flag)
en PKHeX.Core.EventLabelCollection.GetFlags(IReadOnlyCollection`1 strings, Int32 maxValue)
en PKHeX.Core.EventLabelCollection..ctor(String game, Int32 maxFlag, Int32 maxValue)
en PKHeX.Core.EventWorkspace..ctor(SaveFile sav)
en PKHeX.WinForms.SAV_EventFlags..ctor(SaveFile sav)
en PKHeX.WinForms.Controls.SAVEditor.B_OpenEventFlags_Click(Object sender, EventArgs e)
en System.Windows.Forms.Control.OnClick(EventArgs e)
en System.Windows.Forms.Button.OnClick(EventArgs e)
en System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
en System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
en System.Windows.Forms.Control.WndProc(Message& m)
en System.Windows.Forms.ButtonBase.WndProc(Message& m)
en System.Windows.Forms.Button.WndProc(Message& m)
en System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
User Message:
An unhandled exception has occurred.
You can continue running PKHeX, but please report this error.