phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('43e7c589e47ee196546175e8b8e5cdc5', -1, 1713434005, 1713434005, '03114f3c', -10, 0, 0)

Line : 187
File : sessions.php