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 ('cdd9d71e4d2b0c3196a1e4e8f18a6343', -1, 1715159488, 1715159488, '038cbaf1', 3, 0, 0)

Line : 189
File : sessions.php