phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './soocool2_db/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 ('589ab51e619068f5172bb67396ae5b49', -1, 1461986181, 1461986181, 'b8489fbd', 4, 0, 0)

Line : 187
File : sessions.php