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 ('cf1d1aa71f4839835f67ee137d2c56ff', -1, 1717201384, 1717201384, '0393067e', 1, 0, 0)

Line : 187
File : sessions.php