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 ('595960ec1876b59a8f80012de424af98', -1, 1555763948, 1555763948, '035f1723', -4, 0, 0)

Line : 187
File : sessions.php