How To Fix S1334 - Communication is wrong ==> program error

SAP Error Message - Details

• Message type: E = Error

• Message class: S1 - Statistik / SAP-Monitor

• Message number: 334

• Message text: Communication is wrong ==> program error

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message S1334 - Communication is wrong ==> program error ?

  The SAP error message S1334, which states "Communication is wrong ==> program error," typically indicates an issue with the communication between the SAP system and another system or component, such as a database, application server, or external interface. This error can arise from various causes, and troubleshooting it may involve several steps.
  Possible Causes:
  
  Network Issues: Problems with the network connection between the SAP application server and the database or other systems can lead to communication errors.
  Configuration Errors: Incorrect configuration settings in the SAP system or in the external systems can cause communication failures.
  Program Errors: Bugs or issues in the ABAP code or in the underlying programs can lead to this error.
  Database Issues: Problems with the database, such as locks, deadlocks, or connectivity issues, can also trigger this error.
  Transport Issues: If the error occurs after a transport, it may be due to missing objects or inconsistencies in the transported objects.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and any external systems is stable and functioning correctly. Use tools like ping or traceroute to diagnose network issues.
  Review Configuration Settings: Verify the configuration settings in both the SAP system and any external systems. Ensure that all necessary parameters are correctly set.
  Debugging: If you have access to the ABAP code, use the debugger to trace the execution of the program that is causing the error. Look for any logical errors or exceptions that may be raised.
  Check Database Status: Investigate the database for any locks, performance issues, or connectivity problems. Use database monitoring tools to check the health of the database.
  Review Transport Logs: If the error occurred after a transport, check the transport logs for any errors or warnings that may indicate missing objects or inconsistencies.
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  System Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SM21 (System Log), ST22 (Dump Analysis), and SM37 (Job Monitoring) to gather more information about the error.
  SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including any relevant logs and the steps to reproduce the issue.
  
  By following these steps, you should be able to identify the root cause of the S1334 error and implement an appropriate solution.