Why are some financial plan types not available while generating budget versions?

Summary:

I create a new financial plan type but why I can't select it when generating bugget version for a project?

Content (please ensure you mask any confidential information):

I create a new financial plan type.

I use project template to generate a new project.

But I can't select my financial plan type when generating budget version.

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

Oracle Fusion Cloud Applications24D (11.13.24.10.0)

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