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 ('c43a0d7b540b5b1e5e0691dfc5c3b78a', -1, 1716929893, 1716929893, '12db756c', 1, 0, 0)

Line : 187
File : sessions.php