Does planner code have to be associated to an employee

Summary:

Does the planner code assigned to an item have to be tied to an employee for one to be able to release planned orders from supply planning?

Content (required):

Does the planner code assigned to an item have to be tied to an employee for one to be able to release planned orders from supply planning?

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

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