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 ('6936f8510b7293d6a98acf2e92a66a5f', -1, 1715089950, 1715089950, '340f873f', -11, 0, 0)

Line : 189
File : sessions.php