[Plugin: SEO Facebook Comment] Seo facebook comment messed up my admin panel :(

Warning: session_start() [function.session-start]: open(/tmp/sess_4f20754f8d2ccb74daf203d1ffc4606d, O_RDWR) failed: Read-only file system (30) in /home/travejzp/public_html/wp-content/plugins/seo-facebook-comments/plulz/lib/Model/PlulzSession.php on line 55

Warning: session_start() [function.session-start]: Cannot send session cache limiter – headers already sent (output started at /home/travejzp/public_html/wp-content/plugins/seo-facebook-comments/plulz/lib/Model/PlulzSession.php:55) in /home/travejzp/public_html/wp-content/plugins/seo-facebook-comments/plulz/lib/Model/PlulzSession.php on line 55

on admin dashboard and on every admin page ?? My admin panel is completely messed up ??

https://www.ads-software.com/extend/plugins/seo-facebook-comments/