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 ('4d01f90cf9df6a58d1aca22763f81b21', -1, 1717132781, 1717132781, '0d3b3d65', -2, 0, 0)

Line : 187
File : sessions.php