phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ac9ac3473cd3f20ba55b80b0914e38bd', -1, 1756975165, 1756975165, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php