What is causing the problem?

A user is developing a TaskBot in which a business process will use a MetaBot to perform data entry via a web application. Information extracted from form fields in a set of PDFs is not being entered into the third-party site.

What is causing the problem?
A . The schedules for the TaskBot and MetaBot do not intersect
B . Incorrect credentials for the third-party website are being used
C . The input PDF files are corrupt
D . The parameters for the MetaBots variables need to be defined as input variables

Answer: D