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 ('1b21ad5da3162fa43902086a5fa90f6b', -1, 1412223671, 1412223671, '17143f1b', -1, 0, 0)

Line : 187
File : sessions.php