APP ERROR [8] Undefined index:  ID

  Fatal error in line 5 of file /home/dvacanzk/public_html/showitem.php, PHP 5.2.13 (Linux)

This is the debug trace

Error: "Undefined index:  ID" (error #8).
[PHP Error 2010/07/30 06:19:19]Backtrace:
[PHP Error 2010/07/30 06:19:19]  0: myErrorHandler (line 5 in /home/dvacanzk/public_html/showitem.php)
[PHP Error 2010/07/30 06:19:19]Variables in myErrorHandler ():
[PHP Error 2010/07/30 06:19:19]  GLOBALS is Array
[PHP Error 2010/07/30 06:19:19]  _ENV is Array
[PHP Error 2010/07/30 06:19:19]  HTTP_ENV_VARS is Array
[PHP Error 2010/07/30 06:19:19]  _POST is NULL
[PHP Error 2010/07/30 06:19:19]  HTTP_POST_VARS is NULL
[PHP Error 2010/07/30 06:19:19]  _GET is Array
[PHP Error 2010/07/30 06:19:19]  HTTP_GET_VARS is Array
[PHP Error 2010/07/30 06:19:19]  _COOKIE is Array
[PHP Error 2010/07/30 06:19:19]  HTTP_COOKIE_VARS is Array
[PHP Error 2010/07/30 06:19:19]  _SERVER is Array
[PHP Error 2010/07/30 06:19:19]  HTTP_SERVER_VARS is Array
[PHP Error 2010/07/30 06:19:19]  _FILES is NULL
[PHP Error 2010/07/30 06:19:19]  HTTP_POST_FILES is NULL
[PHP Error 2010/07/30 06:19:19]  _REQUEST is Array
[PHP Error 2010/07/30 06:19:19]  hostname is localhost
[PHP Error 2010/07/30 06:19:19]  database is dvacanzk_cms
[PHP Error 2010/07/30 06:19:19]  username is dvacanzk
[PHP Error 2010/07/30 06:19:19]  password is y1ls859!b9!542
[PHP Error 2010/07/30 06:19:19]  path is /
[PHP Error 2010/07/30 06:19:19]  conn is Resource id #4
[PHP Error 2010/07/30 06:19:19]  mysql_connect is Resource id #4
[PHP Error 2010/07/30 06:19:19]  language is enus
[PHP Error 2010/07/30 06:19:19]  label is Array
[PHP Error 2010/07/30 06:19:19]  sql is SELECT DISTINCT loc FROM cms_prodotti WHERE idCom=0 AND loc <> '' AND vis = 1 
[PHP Error 2010/07/30 06:19:19]  rst is Resource id #13
[PHP Error 2010/07/30 06:19:19]  pagine is Array
[PHP Error 2010/07/30 06:19:19]  row is NULL
[PHP Error 2010/07/30 06:19:19]  Messaggio is NULL
[PHP Error 2010/07/30 06:19:19]  HTTP_SESSION_VARS is Array
[PHP Error 2010/07/30 06:19:19]  _SESSION is Array
[PHP Error 2010/07/30 06:19:19]  emailCiente is info@davidbattistel.com
[PHP Error 2010/07/30 06:19:19]  email_cc is morena.cazzador@hotmail.com
[PHP Error 2010/07/30 06:19:19]  email_bcc is dbattist@libero.it
[PHP Error 2010/07/30 06:19:19]  title is NULL
[PHP Error 2010/07/30 06:19:19]  description is NULL
[PHP Error 2010/07/30 06:19:19]  key is NULL
[PHP Error 2010/07/30 06:19:19]  _lang is NULL
[PHP Error 2010/07/30 06:19:19]  lang is it
[PHP Error 2010/07/30 06:19:19]  evidenza is Array
[PHP Error 2010/07/30 06:19:19]  riga is Array
[PHP Error 2010/07/30 06:19:19]  tipi is Array
[PHP Error 2010/07/30 06:19:19]  comuni is Array
[PHP Error 2010/07/30 06:19:19]  locs is Array
[PHP Error 2010/07/30 06:19:19]  idCom is NULL
[PHP Error 2010/07/30 06:19:19]  persone is Array
[PHP Error 2010/07/30 06:19:19]  i is 9
[PHP Error 2010/07/30 06:19:19]Client IP: 38.107.191.94
Aborting...