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 ('3096b17e0e689f4c55214d599e3ae164', -1, 1715185285, 1715185285, '127769ef', -4, 0, 0)

Line : 189
File : sessions.php