لود نشدن صفحه اول

[nikfar]

با سلام یه مشکلی در صفحه اول سایت دارم
صفحه اول سایت لود نمیشه و این ارور رو میده

Warning: raiseerror() [function.raiseerror]: open_basedir restriction in effect. File(/usr/lib/php/PEAR.php) is not within the allowed path(s): (/home/nikfari:/tmp) in /home/nikfari/public_html/includes/Cache/Lite.php on line 470

Warning: raiseerror(PEAR.php) [function.raiseerror]: failed to open stream: Operation not permitted in /home/nikfari/public_html/includes/Cache/Lite.php on line 470

Warning: raiseerror() [function.include]: Failed opening 'PEAR.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php:/usr/lib/php/extensions:/usr/lib/php/extensions/no-debug-non-zts-20020429:&#039 in /home/nikfari/public_html/includes/Cache/Lite.php on line 470

Fatal error: Undefined class name 'pear' in /home/nikfari/public_html/includes/Cache/Lite.php on line 471

ممنون از کمکی که میکنید