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 ('d20f38f320c9bb38366e0034a02d6814', -1, 1715034074, 1715034074, '039102b8', 0, 0, 0)

Line : 189
File : sessions.php