phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('3dc59a4dff97201bb79256943d0bb42c', -1, 1717388513, 1717388513, '038f09df', -4, 0, 0)

Line : 187
File : sessions.php