Strict Standards: Redefining already defined constructor for class Net_URL in /home/dimetta/public_html/administrator/components/com_sef/sef.class.php on line 618

Error: headers already sent in sef.class.php on line 618.
Stopped at line 887 in joomsef.php: HEADERS ALREADY SENT (200)
URL=http://www.dimetta.com/index.php?option=com_content&id=12&task=view&Itemid=30:
OPTION=com_content: