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 ('8d7b50818af92518009b496bfd342e9c', -1, 1714631520, 1714631520, '12bcf152', 3, 0)

Line : 158
File : sessions.php