error on browse and detail

[hermit36]

I am getting the following error on browse page and detail page:

Warning: mkdir() [function.mkdir]: Permission denied in /var/www/vhosts/xxxxxxxx.com/subdomains/search/httpdocs/lib/misc.lib.php on line 217

Warning: mkdir() [function.mkdir]: Permission denied in /var/www/vhosts/xxxxxxxx.com/subdomains/search/httpdocs/lib/misc.lib.php on line 217

Warning: fopen(cache/detail/c/2/detail_7415c99edb90ab7398907e964103c580.html) [function.fopen]: failed to open stream: No such file or directory in /var/www/vhosts/xxxxxxxx.com/subdomains/search/httpdocs/filters/filter.page_cache.php on line 109

Warning: fwrite(): supplied argument is not a valid stream resource in /var/www/vhosts/xxxxxxxx.com/subdomains/search/httpdocs/filters/filter.page_cache.php on line 110

Warning: fclose(): supplied argument is not a valid stream resource in /var/www/vhosts/xxxxxxxx.com/subdomains/search/httpdocs/filters/filter.page_cache.php on line 111

Warning: fopen(cache/detail/6/5/detail_a6712447ff4ac010a6c7fa2279badb83.html) [function.fopen]: failed to open stream: Permission denied in /var/www/vhosts/thrideye.com/subdomains/search/httpdocs/filters/filter.page_cache.php on line 109

Warning: fwrite(): supplied argument is not a valid stream resource in /var/www/vhosts/thrideye.com/subdomains/search/httpdocs/filters/filter.page_cache.php on line 110

Warning: fclose(): supplied argument is not a valid stream resource in /var/www/vhosts/thrideye.com/subdomains/search/httpdocs/filters/filter.page_cache.php on line 111

What is in misc.lib.php and filter.page_cache.php?

[linksor.com]

Check if your /cache/ and /template_c/ directories has 777 rights (not 755)

[hermit36]

thanks i think i overlook this point