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 ('b99de7eab3906a156febeac61994420a', -1, 1717056967, 1717056967, '12bc5b2c', 1, 0, 0)

Line : 187
File : sessions.php