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 ('70aa46e3c74a18b3768b2502cb37ccec', -1, 1717037166, 1717037166, '12d8b334', -7, 0, 0)

Line : 187
File : sessions.php