phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6511f20f71734feff4489da1464057fb' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6511f20f71734feff4489da1464057fb', -1, 1715757450, 1715757450, '0314eb58', -4, 0, 0)

Line : 187
File : sessions.php