Why the ADFdi template are protected without password

Summary:

In the downloaded ADFdi template, for example the Create Invoice ADFdi template, user may unprotect the worksheet directly without password. Why?

Content (please ensure you mask any confidential information):

Due to this issue, some users may unprotect it and break the template.

Version (include the version you are using, if applicable):

Fusion Applications 25D

Code Snippet (add any code snippets that support your topic, if applicable):