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 ('9481222bd0c9d2f045aa8c4849e0a4d1', -1, 1715154504, 1715154504, '030e53df', 2, 0, 0)

Line : 189
File : sessions.php