How To Fix AU220 - With internal number assignment, no main number could be assigned.

AU220 - Overview

• Message type: E = Error

• Message class: AU - FI-AA utility program error messages

• Message number: 220

• Message text: With internal number assignment, no main number could be assigned.

What causes this issue?

Internal number assignment is being used. The system could not supply
a main number. This could be for one of the following reasons:
The system could not find the number range.
There are no more numbers available in the number interval.
The number range is not managed internally.

System Response

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

How to fix this error?

Check the number range definition in FI-AA Customizing.

Error message extract from SAP system. Copyright SAP SE.

AU220 - Details

• The SAP error message AU220, which states "With internal number assignment, no main number could be assigned," typically occurs in the context of document processing, particularly when dealing with number ranges for documents such as invoices, purchase orders, or other financial documents. This error indicates that the system was unable to assign a main number to a document due to issues with the number range configuration.
  Causes:
  
  Number Range Configuration: The number range for the document type you are trying to create may not be properly configured or may be exhausted.
  Number Range Status: The number range may be set to "not available" or "not active" for the relevant document type.
  Authorization Issues: The user may not have the necessary authorizations to access or use the number range.
  Internal Number Assignment: The system is set to use internal number assignment, but there are no available numbers in the defined range.
  
  Solutions:
  
  
  Check Number Range Configuration:
  
  Go to transaction