How To Fix GD108 - External customer log number: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: GD - EDT: External data transfer

• Message number: 108

• Message text: External customer log number: &1

What causes this issue?

At the start of the transfer, an optional external log number was
specified. Using this number, you can read and evaluate the content of
the detail log. You must ensure that a unique external number is used
for each new transfer.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GD108 - External customer log number: &1 ?

  The SAP error message GD108, which states "External customer log number: &1," typically relates to issues with external customer logs in the SAP system. This error can occur in various contexts, such as during the processing of customer-related transactions or when interfacing with external systems.
  Cause:
  
  Missing or Incorrect Data: The error may arise if the external customer log number referenced in the transaction does not exist or is incorrectly entered.
  Integration Issues: If your SAP system is integrated with external systems (like CRM or third-party applications), there may be a mismatch or failure in data transfer.
  Authorization Issues: The user may not have the necessary permissions to access or process the external customer log.
  Configuration Issues: There may be configuration problems in the system that prevent proper handling of external customer logs.
  
  Solution:
  
  Verify the Log Number: Check the external customer log number (&1) for accuracy. Ensure that it exists in the system and is correctly referenced in your transaction.
  Check Data Consistency: Ensure that all required data for the transaction is complete and consistent. This includes checking related master data (like customer master records).
  Review Integration Settings: If the error is related to an external system, review the integration settings and logs to identify any issues in data transfer or mapping.
  User Authorizations: Ensure that the user has the necessary authorizations to access and process the external customer log.
  Consult Documentation: Refer to SAP documentation or notes related to the specific module you are working with for any known issues or additional troubleshooting steps.
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal IT team for further assistance.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to investigate the issue further (e.g., SE11 for data dictionary, SE16 for table data).
  SAP Notes: Check SAP Notes for any patches or updates related to this error message.
  Logs and Traces: Review system logs (SM21) and application logs (SLG1) for additional error messages or warnings that may provide more context.
  
  By following these steps, you should be able to identify the root cause of the GD108 error and implement a suitable solution.