phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('806a7210c4c907e24855194031fd7ab5', -1, 1713406807, 1713406807, '12df2b8e', 3, 0, 0)

Line : 187
File : sessions.php