phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '821c9f68e59b406f5ea447d92a4c08ad' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('821c9f68e59b406f5ea447d92a4c08ad', -1, 1715045237, 1715045237, 'c0a80201', 16, 0, 0)

Line : 187
File : sessions.php