How To Fix UC138 - Data transfer to R/3 terminated

SAP Error Message - Details

• Message type: E = Error

• Message class: UC - FI/CO Data transfer: errors during transfer

• Message number: 138

• Message text: Data transfer to R/3 terminated

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 UC138 - Data transfer to R/3 terminated ?

  The SAP error message UC138, which states "Data transfer to R/3 terminated," typically occurs during the data transfer process between SAP systems, particularly when using the SAP Business Connector or other middleware solutions. This error can arise due to various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes of UC138 Error
  
  
  Network Issues: Connectivity problems between the source system and the R/3 system can lead to data transfer interruptions.
  
  
  Configuration Errors: Incorrect configuration settings in the middleware or in the R/3 system can prevent successful data transfer.
  
  
  Data Format Issues: If the data being transferred does not conform to the expected format or structure, it can cause the transfer to fail.
  
  
  Authorization Problems: Insufficient permissions for the user or service account attempting the data transfer can lead to termination of the process.
  
  
  System Performance: High load on the R/3 system or the source system can result in timeouts or failures during data transfer.
  
  
  Data Volume: Transferring a large volume of data at once can overwhelm the system, leading to termination of the process.
  
  
  Solutions to UC138 Error
  
  
  Check Network Connectivity: Ensure that there are no network issues between the systems involved. You can use tools like ping or traceroute to diagnose connectivity.
  
  
  Review Configuration Settings: Verify that all configuration settings in the middleware and R/3 system are correct. This includes checking connection parameters, data mapping, and transformation rules.
  
  
  Validate Data Format: Ensure that the data being transferred adheres to the expected format. You may need to validate the data before attempting the transfer.
  
  
  Check User Authorizations: Confirm that the user or service account has the necessary permissions to perform the data transfer. Adjust roles and authorizations as needed.
  
  
  Monitor System Performance: Check the performance of both the source and R/3 systems. If either system is under heavy load, consider scheduling data transfers during off-peak hours.
  
  
  Batch Data Transfers: If transferring a large volume of data, consider breaking it into smaller batches to reduce the load on the system.
  
  
  Review Logs: Check the application logs in both the source system and the R/3 system for more detailed error messages that can provide insights into the cause of the termination.
  
  
  Consult SAP Notes: Look for relevant SAP Notes or documentation that may address this specific error. SAP frequently updates its knowledge base with solutions for common issues.
  
  
  Related Information
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  Documentation: Review the official SAP documentation for the specific version of the R/3 system you are using, as there may be version-specific considerations.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By systematically addressing the potential causes and implementing the suggested solutions, you should be able to resolve the UC138 error and successfully complete the data transfer to R/3.