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 ('3013179583cd132eca0fb9d2e049a4b2', -1, 1398404761, 1398404761, '36c5bda5', -1, 0, 0)

Line : 187
File : sessions.php