Uploade ERROR

Warning: Unable to open 'none' for reading: No such file or directory in category.php on line 242
Success

<---->
Den fejl for jeg når jeg prøver at oploader i mit oploade system!
<---->
Her er en lille stum af koden:
<?
}
}


function UploadPicture()
{
global $login,$action,$filename,$filename_name,$check,$topic_path,$PHP_SELF;
global $db_admin,$db_news,$db_groups,$db_news_comments,$db_news_logged,$db_partners,$db_pnews,$db_smiles,$db_topic,$db_users,$db_weekQ,$db_weekA;

// CHECK PRIVILEGIES
if(CheckPriv("cat_ul") <> 1) { echo _NOTENOUGHPRIV;ShowMain();Exit;}


if ($check <> "UploadSkin")
{?>
    <A HREF="<?echo $PHP_SELF;?>"><?echo _MAINMENU;?></A><BR>
    <FONT SIZE=5 FACE=Arial><B><?echo _UPLOADPICTURE;?><B></FONT><BR>
    <TABLE WIDTH=630 CELLSPACING=2 CELLPADDING=0>
    <TR>
      <TD CLass=MojText>
      <FORM ENCTYPE="multipart/form-data" METHOD=POST ACTION="<?echo $PHP_SELF;?>">
      <?echo _IMAGE;?>:<BR><INPUT TYPE="FILE" NAME="filename" size="50"><BR>
      <input type="hidden" name="action" value="upload"><BR>
      <input type="hidden" name="check" value="UploadSkin"><BR>
      <INPUT TYPE=SUBMIT VALUE="<?echo _SUBMIT;?>">
      </FORM>
      </TD>
    </TR>
    </TABLE>
  <?}

if ($check == "UploadSkin")
{
  $newfile = "$topic_path/$filename_name";
  if (!copy($filename,$newfile)) {"Error Uploading File.";}
  echo _SUCCESS;
}
}

if ($psw == 1)
{
  if ($action == "")      { ShowMain();      }
  if ($action == "edit")  { EditCategory();  }
  if ($action == "delete") { DeleteCategory(); }
  if ($action == "add")    { AddCategory();    }
  if ($action == "upload") { UploadPicture();  }
}
include ("footer.php");
?>