phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './ultimate/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 ('fd74cf2ec00db8821aab668ae31b86de', -1, 1558376687, 1558376687, '3417ea07', 0, 0, 0)

Line : 187
File : sessions.php