How To Fix /SCMTMS/MSG031 - External number ranges are not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/MSG -

• Message number: 031

• Message text: External number ranges are not allowed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMTMS/MSG031 - External number ranges are not allowed ?

  The SAP error message /SCMTMS/MSG031 External number ranges are not allowed typically occurs in the context of SAP Transportation Management (TM) when there is an attempt to use an external number range for certain objects that do not support it. This error is often related to the configuration of number ranges for documents or objects within the TM module.
  Cause:
  
  Number Range Configuration: The system is configured to use internal number ranges for specific document types, but an attempt is made to assign or use an external number range.
  Document Type Settings: The document type being used may not be set up to allow external number ranges.
  Custom Development: If there are custom developments or enhancements that attempt to use external number ranges incorrectly, this can trigger the error.
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code SNRO (Number Range Objects) and check the configuration for the relevant number range object.
  Ensure that the number range is set to internal if the document type does not support external ranges.
  
  
  
  Review Document Type Settings:
  
  Navigate to the configuration settings for the specific document type in TM (e.g., Transportation Order, Freight Order).
  Ensure that the document type is configured to use internal number ranges.
  
  
  
  Adjust Custom Code:
  
  If there is custom code that is trying to assign an external number range, review and modify it to comply with the internal number range requirement.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific version of TM you are using to understand the constraints and configurations regarding number ranges.
  
  
  
  Testing:
  
  After making the necessary changes, perform tests to ensure that the error no longer occurs and that the system behaves as expected.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered and resolved similar issues.
  Transport Management Documentation: Review the official SAP documentation for Transportation Management to understand the implications of number range settings.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP Basis or TM consultant who can provide deeper insights into the configuration and potential issues.