phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './phpporta_mainSite/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 ('7a18fda5e43fc2640828e6d81f65351c', -1, 1436299310, 1436299310, '36a28dd4', 3, 0, 0)

Line : 172
File : sessions.php