phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './illustra_phpbb1/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 ('8f9fb890e538156fa9f1e3da8ec0d2d0', -1, 1409631286, 1409631286, '321029b7', -1, 0, 0)

Line : 187
File : sessions.php