How To Fix HD123 - System error occurred when transaction was blocked

SAP Error Message - Details

• Message type: E = Error

• Message class: HD - Messages for forex hedging

• Message number: 123

• Message text: System error occurred when transaction was blocked

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message HD123 - System error occurred when transaction was blocked ?

  The SAP error message HD123, which indicates that a system error occurred when a transaction was blocked, can arise from various underlying issues. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  Database Locking Issues: The transaction may be blocked due to database locks that are not being released properly.
  System Resource Limitations: Insufficient system resources (like memory or CPU) can lead to transaction failures.
  Configuration Errors: Incorrect configuration settings in the SAP system can lead to transaction blocking.
  Network Issues: Problems with network connectivity can cause transactions to fail.
  Custom Code or Enhancements: Custom ABAP code or enhancements may introduce errors that lead to transaction blocking.
  Transport Issues: If there are issues with transport requests, it may lead to inconsistencies in the system.
  
  Solutions:
  
  Check Transaction Locks: Use transaction code SM12 to check for any locks that may be causing the issue. You can release locks if they are no longer needed.
  Review System Logs: Use transaction SM21 to check the system log for any related error messages that can provide more context.
  Analyze Short Dumps: Use transaction ST22 to check for any short dumps that may have occurred during the transaction. This can help identify the root cause.
  Monitor System Performance: Use transaction ST03N to analyze system performance and identify any resource bottlenecks.
  Check Configuration: Review the configuration settings related to the transaction and ensure they are set up correctly.
  Debug Custom Code: If custom code is involved, use the ABAP debugger to step through the code and identify any issues.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error.
  Restart Services: In some cases, restarting the affected services or the entire SAP system may resolve transient issues.
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including any logs or dumps.
  Documentation: Review SAP documentation related to transaction management and error handling for additional insights.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to diagnose and potentially resolve the HD123 error in your SAP system.