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 ('0021abe455e5f2e76cf79409a51a3981', -1, 1716819704, 1716819704, '038acbed', 0, 0, 0)

Line : 187
File : sessions.php