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 ('7648300be4f4d1af81ea8660b60777bf', -1, 1717056347, 1717056347, '12bffd3e', -4, 0, 0)

Line : 187
File : sessions.php