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 ('a39f90a0a4ce151f83e8ef2497a476de', -1, 1716984688, 1716984688, '039115cd', 1, 0, 0)

Line : 187
File : sessions.php