Error on home page

I get following errors on my home page.
Warning: Invalid argument supplied for foreach() in /home/pealsoft/domains/pealsoft.com/public_html/nr-it/library/cache/cache.php on line 26

Warning: Invalid argument supplied for foreach() in /home/pealsoft/domains/pealsoft.com/public_html/nr-it/library/cache/cache.php on line 37

Warning: Invalid argument supplied for foreach() in /home/pealsoft/domains/pealsoft.com/public_html/nr-it/library/cache/cache.php on line 26

Warning: Invalid argument supplied for foreach() in /home/pealsoft/domains/pealsoft.com/public_html/nr-it/library/cache/cache.php on line 37

Warning: Invalid argument supplied for foreach() in /home/pealsoft/domains/pealsoft.com/public_html/nr-it/library/cache/cache.php on line 26

Warning: Invalid argument supplied for foreach() in /home/pealsoft/domains/pealsoft.com/public_html/nr-it/library/cache/cache.php on line 37

Warning: Invalid argument supplied for foreach() in /home/pealsoft/domains/pealsoft.com/public_html/nr-it/library/cache/cache.php on line 26

Warning: Invalid argument supplied for foreach() in /home/pealsoft/domains/pealsoft.com/public_html/nr-it/library/cache/cache.php on line 37

Can some one please guide me how to handle them

Have a look here. http://forum.opencart.com/index.php/top ... ml#msg4500

why post  an ERROR in news and updates.. pick your areas that best suite your question/request.