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 ('6e215f31990ef356d522b76b2f97e6bf', -1, 1715008048, 1715008048, '03908c97', 0, 0, 0)

Line : 189
File : sessions.php