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 ('7d4b0048192c9046b7ba3b26e2cb41c4', -1, 1743599910, 1743599910, '12da2e1a', -4, 0, 0)

Line : 187
File : sessions.php