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 ('d15f8f4a5d1c2ed03d63f80a88d41eb2', -1, 1555727086, 1555727086, '035f3fda', 68, 0, 0)

Line : 187
File : sessions.php