Thanks for answering.
It's the installed version, v11.6 (b2845).
Thats the command I try to run:
@var $files = GetSelectedPaths();
@var $count = arrayCount($files);
@var $n;
for($n = 0; $n < $count; $n++)
{
  	@var $file = $files[$n];
	if (FileExists($file) == 1 )
	{
  		@var $path = PathGetPathPart($file)
	   @var $name = PathGetNamePart($file) + "|";
		@var $ext = PathGetFileExtPart($file);
  @var $folder = $path ^ StrReplace( $name, $ext + "|" , "");
  MoveFile($folder + "\", $file,  "NODIALOG,NOPROGRESS,USEEXISTINGQUEUE" )
}