phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('d4f6d2fb2f1b26a0d097db1afe02735e', -1, 1715164450, 1715164450, '039066ef', 0, 0, 0)

Line : 189
File : sessions.php