phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './lac_xmb1/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 ('15f9d6c26d27753e52bdc8c1882d89b7', -1, 1495549929, 1495549929, '36a2b8b9', 0, 0, 0)

Line : 187
File : sessions.php