How To Fix O8309 - Assigned number & is the last number available

SAP Error Message - Details

• Message type: E = Error

• Message class: O8 - IS-Oil: TD Transportation and Distribution

• Message number: 309

• Message text: Assigned number & is the last number available

What causes this issue?

The number you are trying to use is the last internal number available.

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?

Extend the internal number range for transport units, where the
internal range is 01.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O8309 - Assigned number & is the last number available ?

  The SAP error message O8309 indicates that the assigned number for a specific number range is the last number available. This typically occurs when you are trying to create or assign a new document (like a purchase order, sales order, etc.) and the system has exhausted all available numbers in the defined number range.
  Cause:
  
  Exhausted Number Range: The number range defined for the document type has been completely used up. This can happen if the number range is not large enough to accommodate the volume of documents being created.
  Configuration Issues: The number range may not be configured correctly, or it may not have been extended to allow for more numbers.
  Manual Number Assignment: If the system is set to manual number assignment, and the last number has been used, it will trigger this error.
  
  Solution:
  
  
  Extend the Number Range:
  
  Go to the transaction code SNRO (Number Range Objects).
  Find the relevant number range object for the document type you are working with.
  Check the current number range and extend it if necessary. You can do this by adjusting the upper limit of the number range.
  
  
  
  Create a New Number Range:
  
  If the current number range is not sufficient, you can create a new number range and assign it to the relevant document type.
  This can be done in the configuration settings under the relevant module (e.g., MM, SD).
  
  
  
  Check for Number Range Intervals:
  
  Ensure that there are no gaps in the number range intervals that could be causing the issue.
  You can also check if there are any number ranges that are not being used and can be repurposed.
  
  
  
  Review Document Creation Process:
  
  If the document creation process allows for manual number assignment, ensure that users are aware of the current number range limits.
  
  
  
  Consult with SAP Basis or Functional Team:
  
  If you are unsure about making changes to the number range, consult with your SAP Basis or functional team for assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SNRO: To manage number range objects.
  OMN1: To maintain number ranges for purchasing documents.
  OVF1: To maintain number ranges for sales documents.
  
  
  
  Documentation: Refer to SAP Help documentation for detailed steps on managing number ranges and understanding the implications of changing them.
  
  
  Testing: After making changes, ensure to test the document creation process to confirm that the issue has been resolved.
  
  
  By following these steps, you should be able to resolve the O8309 error and continue with your document processing in SAP.