why some items are missing from the supply plan Suppliers table

Summary:

Hi Guru,

why there are some items not been collected from the supplier table even though they are assigned with local supplier sourcing rules in the planning assignment set? what's the criteria for system to collect the supplier items?

thanks in advance!

Content (please ensure you mask any confidential information):

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

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