I Finnaly noticed the error log i have shitty vison, Anyways heres the log:

Source: mscorlib

Reason: Input string was not in a correct format.

Stack trace:    at System.Number.ParseDouble(String value, NumberStyles options, NumberFormatInfo numfmt)

   at EasyFPSEditor15.Util.StringToFloat(String str)

   at EasyFPSEditor15.Editors.SetSpriteScale.TextBoxScaleTextChanged(Object sender, EventArgs e)

   at System.Windows.Forms.Control.OnTextChanged(EventArgs e)

   at System.Windows.Forms.TextBoxBase.OnTextChanged(EventArgs e)

   at System.Windows.Forms.TextBoxBase.WmReflectCommand(Message& m)

   at System.Windows.Forms.TextBoxBase.WndProc(Message& m)

   at System.Windows.Forms.TextBox.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)