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 ('7de1f39c11e6133840e0d823daa9d142', -1, 1727565265, 1727565265, '12deb8c8', -9, 0, 0)

Line : 189
File : sessions.php