How To Fix SE318 - External service number is not sufficient (Please enter internal number)

SAP Error Message - Details

• Message type: E = Error

• Message class: SE - Dienstleistungen Stammdaten Leistungsposition

• Message number: 318

• Message text: External service number is not sufficient (Please enter internal number)

What causes this issue?

You have only maintained the external service number.
A service cannot be identified solely by the external service number.

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?

Please also specify an internal service number.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SE318 - External service number is not sufficient (Please enter internal number) ?

  The SAP error message SE318, which states "External service number is not sufficient (Please enter internal number)," typically occurs when there is an issue with the service number being used in a transaction or process. This error is often related to the integration of external services or systems with SAP, particularly in the context of service management or procurement.
  Cause:
  
  Missing Internal Number: The error indicates that the system requires an internal service number, but it has only been provided with an external service number. This can happen if the external service number is not mapped correctly to an internal number in the SAP system.
  Configuration Issues: There may be configuration issues in the service master data or in the integration settings between SAP and the external system.
  Data Entry Errors: Users may have entered the wrong service number or failed to enter the required internal number.
  
  Solution:
  
  Check Service Master Data: Ensure that the service master data is correctly maintained in SAP. Verify that the external service number is properly mapped to an internal service number.
  
  Go to transaction AC03 (Display Service Master) to check the service details.
  
  
  Enter Internal Number: If you are prompted for an internal number, make sure to enter it correctly. If you do not have it, consult with your SAP administrator or the relevant department to obtain the correct internal service number.
  Review Configuration: Check the configuration settings related to external services in the SAP system. This may involve reviewing the settings in the Service Management module or the relevant integration settings.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling service numbers and related configurations.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as AC03 (Display Service Master) and ME21N (Create Purchase Order) if applicable.
  SAP Notes: Search for SAP Notes related to SE318 for any specific fixes or updates that may address this error.
  User Roles: Ensure that the user has the necessary permissions to access and modify service master data.
  
  By following these steps, you should be able to resolve the SE318 error and ensure that the correct internal service number is used in your SAP transactions.