phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './cpdb/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 ('71a53cc5ba92c6d25e943edff7a0239c', -1, 1512965200, 1512965200, '36a33d42', -714, 0, 0)

Line : 189
File : sessions.php