Expenditure Type is not in the list of values on Purchasing Screen

Summary:

When we are trying to Save and Submit Purchase Order after entering Project details, we are getting following error:

"Expenditure Type is not in the list of values"

Content (required):"Expenditure Type is not in the list of values"

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

21D

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