Notice: Undefined index: sSearch

gio

Hi All,
compliments for the project!
I trying datatables using sql database and php,
I successful read data from sql because I receive all data without html on page but before I have a whole errors like I don't load something in header:
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Notice: Undefined index: sSearch in /var/www/html/beta/builder/22/opere_all.php on line 122 Notice: Undefined index: bSearchable_0 in /var/www/html/beta/builder/22/opere_all.php on line 136 Notice: Undefined index: bSearchable_1 in /var/www/html/beta/builder/22/opere_all.php on line 136 Notice: Undefined index: bSearchable_2 in /var/www/html/beta/builder/22/opere_all.php on line 136 Notice: Undefined index: bSearchable_3 in /var/www/html/beta/builder/22/opere_all.php on line 136 Notice: Undefined index: bSearchable_4 in /var/www/html/beta/builder/22/opere_all.php on line 136 Notice: Undefined variable: sOrder in /var/www/html/beta/builder/22/opere_all.php on line 160 Notice: Undefined index: sEcho in /var/www/html/beta/builder/22/opere_all.php on line 186
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note that I'm sure to connect database:
I see:
{"sEcho":0,"iTotalRecords":"114","iTotalDisplayRecords":"114","aaData":[["Trident","Internet Explorer 4.0","Win 95+","4","X"],["Trident","Internet Explorer 5.0","Win 95+","5","C"],["Trident","Internet Explorer 5.5","Win 95+","5.5","A"],["Trident","Internet Explorer 6","Win 98+","6","A"],["Trident","Internet Explorer 7","Win XP SP2+","7" etc. etc.
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the link in header are available:


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where I wrong?
suggestions?
Thx
GioMBG