How To Fix KX733 - CPIC &: Communication link problems - no data received

SAP Error Message - Details

• Message type: E = Error

• Message class: KX - EC-EIS/EC-BP: Data basis, data collection

• Message number: 733

• Message text: CPIC &: Communication link problems - no data received

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 KX733 - CPIC &: Communication link problems - no data received ?

  The SAP error message KX733, which indicates "CPIC &: Communication link problems - no data received," typically arises from issues in the communication between the SAP application server and the database or between different SAP systems. This error can occur due to various reasons, including network issues, configuration problems, or database connectivity issues.
  Causes:
  
  Network Issues: Problems with the network connection between the SAP application server and the database server can lead to communication failures.
  Database Unavailability: The database server may be down or not reachable due to maintenance or other issues.
  Configuration Errors: Incorrect configuration settings in the SAP system or database connection parameters can cause communication problems.
  Timeouts: Long-running queries or processes may exceed the timeout settings, leading to a communication breakdown.
  Firewall or Security Settings: Firewalls or security settings may block the communication between the SAP system and the database.
  Resource Limitations: Insufficient resources (CPU, memory) on the database server can lead to performance issues and communication failures.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP application server and the database server is stable and functioning correctly. You can use tools like ping or traceroute to diagnose network issues.
  Verify Database Status: Check if the database server is up and running. If it is down, restart the database or contact your database administrator.
  Review Configuration Settings: Verify the configuration settings in the SAP system, including the database connection parameters in the tnsnames.ora file (for Oracle databases) or the relevant configuration files for other databases.
  Increase Timeout Settings: If timeouts are causing the issue, consider increasing the timeout settings in the SAP system or database configuration.
  Check Firewall Settings: Ensure that firewalls or security settings are not blocking the communication ports used by the SAP system and the database.
  Monitor Resource Usage: Check the resource usage on the database server. If it is under heavy load, consider optimizing queries or increasing resources.
  Review SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that may address known issues related to this error.
  
  Related Information:
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  Logs and Traces: Review the SAP application logs (transaction SM21) and developer traces (transaction ST22) for more detailed error messages that can provide additional context.
  Documentation: Refer to the official SAP documentation for your specific version and database type for more detailed troubleshooting steps.
  
  By systematically checking these areas, you should be able to identify and resolve the cause of the KX733 error.