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) VALUES ('3423a82096b81368c90f76049a6f6c74', -1, 1714347657, 1714347657, '030e8e73', -4, 0)

Line : 158
File : sessions.php