WebGL and I/O

I managed to get my project running on WebGL. Now I run into expected i/o issues.

This is the code loading the config.xml file:

         public void loadSettings(string pathToSettings)
         {
             if (pathToSettings.Length > 0)
             {
                 // Windows, Linux, Mac OSX Standalone Plattform
                 FileInfo fi = new FileInfo(pathToSettings);
                 if (fi.Exists)
                 {
                     XmlDocument xmlDoc = new XmlDocument();
                     xmlDoc.Load(pathToSettings);
                     this.loadSettings(xmlDoc);
                 }
                 else
                 {
                     throw new FileNotFoundException(pathToSettings);
                 }
             }
             else
             {
                 throw new FileNotFoundException();
             }
         }

and i get the following message:

 FileNotFoundException:
 file:///D:/Unity%20Projects/Chatbot_WebGL_5.2.0f3/Chatbot_WebGL/Chatbot/Program #/config/Settings.xml
 >AIMLbot.Utils.SettingsDictionary.loadSettings (System.String pathToSettings)
 AIMLbot.Bot.loadSettings (System.String pathToSettings)
 AIMLTestChat.Start ()

i tried to call this function with another string(other, normal formating of file path) and get this error although the path is definitely correct:

 FileNotFoundException: D:/Unity Projects/Chatbot_WebGL_5.2.0f3/Chatbot_WebGL/Chatbot/Program #/config/Settings.xml

May it be, that FileInfo or XmlDocument aren't supported?

Best,

Andre