error

Hello I have an error on my site that appears is there a solution

warning: is_dir() [function.is-dir]: open_basedir restriction in effect. File(..) is not within the allowed path(s): (/htdocs:/var/www/trustdiag.fr/htdocs:/var/www/trustdiag.fr/tmp:/var/www/trustdiag.fr/exec_dir:/var/www/trustdiag.fr/php-session:/var/lib/lws/:/usr/base/var/lib/lws:/htdocs:/tmp:/exec_dir:/php-session:/usr/share/php) in /htdocs/wp-content/plugins/pricing-table/libs/class.plugin.php on line 54

https://wordpress.org/plugins/pricing-table/