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 ('5cdc9b5da9d8338aebd3d2550b25c829', -1, 1409648761, 1409648761, '32139438', -1, 0, 0)

Line : 187
File : sessions.php