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 ('ef16604dc2353994c92487a79611ac6f', -1, 1715059157, 1715059157, '12e0d6d7', 0, 0, 0)

Line : 189
File : sessions.php