Previously uploaded external forecast removed when new External forecast uploaded.

Summary:

Content (required):

When we are uploading a new external forecast with a new forecast designator , the previously uploaded external forecast is removed from the plan inputs.

Is this the intended behaviour?

If so why does the system removes previously uploaded forecast designators?

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

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