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 ('5763fc1de797f6ecad66aa32ebd93c0e', -1, 1550795956, 1550795956, '36d23d29', -9, 0, 0)

Line : 172
File : sessions.php