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 ('b9babd518cebc55820c6ded0502f83a5', -1, 1743624495, 1743624495, '031109aa', 1, 0, 0)

Line : 187
File : sessions.php