phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'df1964738a38c0fddf6e77681ec8bf2f' 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 ('df1964738a38c0fddf6e77681ec8bf2f', -1, 1714813666, 1714813666, 'c0a80201', -9, 0, 0)

Line : 187
File : sessions.php