How To Fix O8123 - Assigned number & is the last available number

O8123 - Overview

• Message type: E = Error

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

• Message number: 123

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

What causes this issue?

You have used the last assigned number. The end of the number range has
thus been reached.

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?

The internal number range must be extended before more drivers can be
entered in the system. Use Transaction O4D4 to extend the drivers
internal number range 01.

Error message extract from SAP system. Copyright SAP SE.

O8123 - Details

• The SAP error message O8123 indicates that the assigned number you are trying to use is the last available number in a specific number range. This typically occurs in scenarios where number ranges are used for various objects, such as document numbers, order numbers, etc.
  
  Cause:
  The error arises when:
  
  You are attempting to assign a new document or object number that exceeds the defined number range.
  The number range has been exhausted, meaning all available numbers have been assigned.
  
  
  Solution:
  To resolve this issue, you can take the following steps:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code SNRO (Number Range Objects).
  Find the relevant number range object and check its configuration.
  Verify the current status of the number range and see if it has been exhausted.
  
  
  
  Extend the Number Range:
  
  If the number range is exhausted, you can extend it by:
  Going to the transaction code SNRO.
  Selecting the relevant number range object.
  Adjusting the upper limit of the number range to