How To Fix 42638 - Error when transferring data

SAP Error Message - Details

• Message type: E = Error

• Message class: 42 - Information Workbench

• Message number: 638

• Message text: Error when transferring data

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 42638 - Error when transferring data ?

  The SAP error message 42638, which indicates "Error when transferring data," typically occurs during data transfer processes, such as when using the Data Transfer Workbench (DTW) or during batch input sessions. This error can arise from various causes, and understanding these can help in troubleshooting and resolving the issue.
  Possible Causes:
  
  
  Data Format Issues: The data being transferred may not conform to the expected format or structure. This can include incorrect data types, missing mandatory fields, or invalid values.
  
  
  Mapping Errors: If the data is being mapped from one system to another, there may be discrepancies in the mapping configuration.
  
  
  Authorization Issues: The user performing the data transfer may not have the necessary authorizations to execute the transfer.
  
  
  System Configuration: There may be configuration issues in the target system that prevent data from being accepted.
  
  
  Network Issues: Temporary network issues can interrupt the data transfer process.
  
  
  Data Volume: Transferring a large volume of data at once can lead to timeouts or performance issues.
  
  
  Solutions:
  
  
  Check Data Format: Review the data being transferred to ensure it meets the required format and structure. Validate that all mandatory fields are filled and that data types are correct.
  
  
  Review Mapping Configuration: If applicable, check the mapping settings to ensure that all fields are correctly mapped and that there are no discrepancies.
  
  
  Verify Authorizations: Ensure that the user has the necessary permissions to perform the data transfer. This may involve checking user roles and authorizations in SAP.
  
  
  System Configuration Review: Check the configuration settings in the target system to ensure that it is set up to accept the incoming data.
  
  
  Monitor Network Stability: Ensure that there are no network issues that could be causing interruptions during the data transfer.
  
  
  Batch Processing: If transferring a large volume of data, consider breaking it into smaller batches to avoid performance issues.
  
  
  Check Logs: Review the application logs (transaction SLG1) for more detailed error messages that can provide additional context on the failure.
  
  
  Related Information:
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to error 42638. SAP frequently updates its knowledge base with solutions for common errors.
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (to check job logs) and SLG1 (to view application logs) for troubleshooting.
  
  
  Documentation: Refer to SAP documentation for the specific module or process you are working with, as it may provide additional insights into data transfer requirements and common pitfalls.
  
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or technical team for further investigation.