phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './cnas_portal_2/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('d127916f3847ca42c790ec463a7e36bb', -1, 1406297447, 1406297447, '36d307ae', 11, 0, 0)

Line : 187
File : sessions.php