Assuming the Custom Object metadata exists, why does this route fail to render the newsletter template when the subscription form is correctly submitted?

A Newsletter controller contains the following route:

Assuming the Custom Object metadata exists, why does this route fail to render the newsletter template when the subscription form is correctly submitted?
A . Custom Objects can only be created by Job scripts
B. The Subscribe route is missing the server.middleware.httpt middleware.
C. The CustomObjectMgr variable should be declare outside of the route.
D. The Custom Object creation is not wrapped in a Transaction.

View Answer

Answer: D