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 ('7c8fcd927f13e798e928ed6456b727b5', -1, 1717132501, 1717132501, '0d3b3d65', -4, 0, 0)

Line : 187
File : sessions.php