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 ('a9f78ea8d38d7bf2c5d46bfbb0902c75', -1, 1715229795, 1715229795, '340e541d', 3, 0, 0)

Line : 189
File : sessions.php