How To Fix 9P527 - Choose at least one external number selection rule for doc. type &1

9P527 - Overview

• Message type: E = Error

• Message class: 9P - Russia and Ukraine class messages for development

• Message number: 527

• Message text: Choose at least one external number selection rule for doc. type &1

What causes this issue?

You have chosen a document type, but no selection rule to search for
external number and date.

System Response

How to fix this error?

Please select at least one of the options:
<ZK>Document Text</>
<ZK>Reference Field </>
<ZK>Internal Number and Date</>

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

9P527 - Details

• The SAP error message 9P527 indicates that there is an issue with the external number selection rules for a specific document type. This error typically occurs when you are trying to create or process a document (like an invoice, purchase order, etc.) and the system requires you to select at least one external number selection rule for the specified document type.
  
  Cause:
  The error is caused by the absence of a defined external number selection rule for the document type you are working with. In SAP, external number ranges are used to generate document numbers that are unique and can be managed outside of the system's internal number generation.
  
  Solution:
  To resolve this error, you need to define or select an external number selection rule for the document type in question. Here are the steps to do this:
  
  
  Access the Number Range Configuration:
  
  Go to the SAP Easy Access screen.
  Navigate to the following path: SPRO ->