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 ('23cd2cbf1a0ee1c779b6cd97bb2c322d', -1, 1717017051, 1717017051, '12bf303d', -7, 0, 0)

Line : 187
File : sessions.php