How To Fix MY406 - No document number could be assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: MY - Messages for Balance Sheet Valuation(Low.Val.Det./LIFO/FIFO)

• Message number: 406

• Message text: No document number could be assigned

What causes this issue?

No number range interval is assigned to transaction/event type <NP>MY</>
.

System Response

Processing is terminated.

How to fix this error?

Contact your system administrator.


Assign a number range interval to transaction/event type <NP>MY</>. To
do this, in Customizing for <LS>Controlling</>, under <LS>Product Cost
Controlling -> Actual Costing/Material Ledger ->
<DS:SIMG.SIMG_CFMENUOLMWOMX4>Maintain Number Ranges for Material Ledger
Documents</></>, maintain number range object <NP>ML-BELEG</>. Create a
new group with the name <LS>Delta Posting for Balance Sheet Valuation
</>. We recommend that you use the number range interval 8000000000 to
8999999999, provided that this is not yet assigned.
Then assign transaction/event type <NP>MY</> (element <NP>MY</>) to the
new group.

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 MY406 - No document number could be assigned ?

  The SAP error message MY406 ("No document number could be assigned") typically occurs in the context of document creation in SAP, particularly when dealing with financial documents, material documents, or other transactional records. This error indicates that the system was unable to generate a document number for the transaction you are trying to process.
  Causes:
  
  
  Number Range Issues: The most common cause is that the number range for the document type you are trying to create is either exhausted or not properly configured. This can happen if the number range is set to a limited range and all numbers have been used.
  
  
  Document Type Configuration: The document type may not be correctly configured in the system. This includes settings related to number ranges, document types, or the assignment of number ranges to specific document types.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to create documents, which can lead to this error.
  
  
  System Configuration: There may be issues with the overall configuration of the SAP system, such as missing or incorrect settings in the configuration tables.
  
  
  Custom Development: If there are custom developments or enhancements in the system, they may interfere with the standard document number assignment process.
  
  
  Solutions:
  
  
  Check Number Ranges:
  
  Go to transaction code SNRO (Number Range Objects) and check the number range object related to the document type you are trying to create.
  Ensure that the number range is defined and that there are available numbers. If the range is exhausted, you may need to extend it.
  
  
  
  Review Document Type Configuration:
  
  Use transaction code OB52 to check the configuration of the document type. Ensure that the number range is correctly assigned to the document type.
  
  
  
  Authorization Check:
  
  Verify that the user has the necessary authorizations to create the document. This can be checked in transaction code SU53 after the error occurs.
  
  
  
  Consult with Basis Team:
  
  If the issue persists, consult with your SAP Basis team to check for any system-wide issues or configuration problems.
  
  
  
  Check for Custom Code:
  
  If there are any custom developments, review the code to ensure that it is not interfering with the standard document number assignment process.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or related issues.
  
  
  
  Related Information:
  
  Transaction Codes: SNRO (Number Range Objects), OB52 (Document Type Configuration), SU53 (Authorization Check).
  SAP Documentation: Refer to SAP Help documentation for detailed information on number range management and document types.
  Support: If the issue cannot be resolved internally, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the MY406 error and implement a solution to resolve it.