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 ('2ef32e919132e35b04ae5ad93953ac16', -1, 1556023161, 1556023161, 'b8490ede', -1, 0, 0)

Line : 187
File : sessions.php