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 ('5cfe9a6e1de2d83aa9d21b1b4afb64ba', -1, 1715092900, 1715092900, '0389d580', 7, 0, 0)

Line : 189
File : sessions.php