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 ('a4628569b2f3f8ed476b697917e17a05', -1, 1716504517, 1716504517, '0387c9d1', 0, 0, 0)

Line : 187
File : sessions.php