phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './mikedx_phpbb3/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 ('456c1d8285934fa1ca626f99f3cc2c47', -1, 1540239459, 1540239459, '36e0387e', 9, 0, 0)

Line : 172
File : sessions.php