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 ('c6a5e1edeaf7f8118cbbde313070cddf', -1, 1717160135, 1717160135, '340e1128', -10, 0, 0)

Line : 187
File : sessions.php