Changing simpleVRML file name ERROR
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i made some modifications in simpleVRML file in artoolkit for  Mac OS X but when i change the executable name for the app

![changing executable name][1]

and copy/paste my app to another folder, it gives me this error
![error][2]
but when it change the name back to simpleVRML, then copy/paste no error, what could be the error? 
Any help, i really dont want to show my app as simpleVRML :(

  [1]: http://i.stack.imgur.com/FQKC5.png
  [2]: http://i.stack.imgur.com/dGPEW.png