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 ('6680fd8c5a469e44ca4677f6ac9f9d81', -1, 1540154036, 1540154036, '36a6cfdf', 4, 0, 0)

Line : 172
File : sessions.php