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

SE318 - Overview

• 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