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 ('e5f96e99c7c3bcd1c1716c0b57697566', -1, 1555697694, 1555697694, '0354b670', -9, 0, 0)

Line : 187
File : sessions.php