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 ('3bcb793c2b33f8e3ff6ca912a83e1290', -1, 1715101796, 1715101796, '030fc57b', -2, 0, 0)

Line : 189
File : sessions.php