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 ('27c021d42227ed078786b518cee8bb0c', -1, 1715032562, 1715032562, '12d8ef2e', -9, 0, 0)

Line : 189
File : sessions.php