phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './hail1602_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 ('ea8f0d665acf43084ef6701e09dd18bd', -1, 1474897885, 1474897885, '36e26e8f', -4, 0, 0)

Line : 187
File : sessions.php