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 ('854b1bf3c04cf6c6510ed20216e4003a', -1, 1715168702, 1715168702, '12df7cf4', -9, 0, 0)

Line : 189
File : sessions.php