phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'add70f9444dd57937814d30711ced29e' for key 'PRIMARY'

INSERT INTO phpbb_ad_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('add70f9444dd57937814d30711ced29e', -1, 1638255835, 1638255835, '22e4e533', -10, 0)

Line : 170
File : sessions.php