How To Fix CKMLGRIR021 - External number assignment not supported for &1 &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CKMLGRIR - GR/IR Account Maintenance

• Message number: 021

• Message text: External number assignment not supported for &1 &2 &3

What causes this issue?

Account maintenance does not support external number assignment.

System Response

The system determined that the number range &V1& for the fiscal year
&V3& is set for the number range object &V2& with external number
assignment.

How to fix this error?

As long as no number in number range &V1& has been assigned, change the
number range to internal number assignment. Otherwise, create a new
number range with internal number assignment and assign this to the
transaction type 'account maintenance'.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CKMLGRIR021 - External number assignment not supported for &1 &2 &3 ?

  The SAP error message CKMLGRIR021, which states "External number assignment not supported for &1 &2 &3," typically occurs in the context of Material Ledger (ML) and Goods Receipt/Invoice Receipt (GR/IR) accounting. This error indicates that there is an issue with the number assignment for the document being processed, particularly when it comes to external number ranges.
  Cause:
  
  External Number Assignment: The error usually arises when the system is trying to use an external number range for a document type that does not support it. In SAP, certain document types are configured to use internal number assignment only.
  Configuration Issues: The configuration settings for the document type in question may not allow for external number assignment, or the document type may not be set up correctly in the system.
  Document Type: The specific document type being processed (e.g., invoice, goods receipt) may not be configured to allow external number assignment.
  
  Solution:
  
  
  Check Document Type Configuration:
  
  Go to the configuration settings for the document type in question (Transaction Code: OBA7 or SPRO).
  Verify if the document type is set to allow external number assignment. If it is not, you may need to change it to allow external number assignment if that is appropriate for your business process.
  
  
  
  Use Internal Number Assignment:
  
  If external number assignment is not necessary, consider using internal number assignment for the document type. This can often resolve the issue without further configuration changes.
  
  
  
  Review Number Range Settings:
  
  Check the number range settings for the document type (Transaction Code: SNRO). Ensure that the number range is correctly defined and that it is set up to allow the type of number assignment you are trying to use.
  
  
  
  Consult with SAP Basis or Functional Consultant:
  
  If you are unsure about the configuration or the implications of changing settings, consult with your SAP Basis or functional consultant. They can provide guidance based on your specific system setup and business requirements.
  
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  CKMLCP: Material Ledger closing cockpit.
  MB1A: Goods Withdrawal.
  MIRO: Invoice Verification.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on configuration.
  
  
  Documentation: Review SAP documentation related to Material Ledger and GR/IR processes to understand the implications of number assignment settings.
  
  
  By following these steps, you should be able to resolve the CKMLGRIR021 error and ensure that your document processing aligns with your organization's requirements.