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 ('d354a124a133b38ab2afb117f9a2d248', -1, 1743740677, 1743740677, '12740f10', 1, 0, 0)

Line : 187
File : sessions.php