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 ('b5a2a473039b87e877e2d2fd9915d37b', -1, 1540115172, 1540115172, '36a6cfdf', 3, 0, 0)

Line : 172
File : sessions.php