Problem Dbpdo.ph Line 198

[speedwayshop]

My fronted doesn't work an i see a white page, http://www.speedwayshop.it. P.s. Sorry for my english

 

this the error:

 

Warning: Function addCSS() is deprecated in /home/admin/web/speedwayshop.it/public_html/modules/fieldonecateproductslider/fieldonecateproductslider.php on line 77

in /home/admin/web/speedwayshop.it/public_html/classes/Tools.php on line 2611

Warning: Function addCSS() is deprecated in /home/admin/web/speedwayshop.it/public_html/modules/cookieslaw/cookieslaw.php on line 104
in /home/admin/web/speedwayshop.it/public_html/classes/Tools.php on line 2611

Warning: Function addJS() is deprecated in /home/admin/web/speedwayshop.it/public_html/modules/cookieslaw/cookieslaw.php on line 105
in /home/admin/web/speedwayshop.it/public_html/classes/Tools.php on line 2611

Fatal error: Call to a member function rowCount() on a non-object in /home/admin/web/speedwayshop.it/public_html/classes/db/DbPDO.php on line 198