How To Fix KX734 - CPIC &: Communication link problems - incomplete data received

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 734

• Message text: CPIC &: Communication link problems - incomplete 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 KX734 - CPIC &: Communication link problems - incomplete data received ?

  The SAP error message KX734, which indicates "CPIC &: Communication link problems - incomplete data received," typically arises from issues related to 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 resource limitations.
  Causes:
  
  Network Issues: Problems with the network connection between the SAP application server and the database server can lead to incomplete data being received.
  Database Performance: If the database is under heavy load or experiencing performance issues, it may not respond in a timely manner, leading to incomplete data transmission.
  Configuration Errors: Incorrect configuration settings in the SAP system or the database can cause communication problems.
  Timeout Settings: If the timeout settings for the communication are too low, it may result in incomplete data being received before the connection times out.
  Resource Limitations: Insufficient memory or CPU resources on the application server or database server can lead to communication issues.
  Firewall or Security Settings: Firewalls or security settings may block or interrupt the communication between the servers.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the SAP application server and the database server. Use tools like ping or traceroute to diagnose connectivity problems.
  Monitor Database Performance: Check the performance of the database server. Look for any locks, long-running queries, or resource bottlenecks that may be affecting performance.
  Review Configuration Settings: Verify the configuration settings in both the SAP system and the database. Ensure that they are correctly set up for communication.
  Adjust Timeout Settings: If applicable, increase the timeout settings for the communication to allow more time for data transmission.
  Resource Allocation: Ensure that both the application server and database server have sufficient resources (CPU, memory, etc.) to handle the workload.
  Check Firewall/Security Settings: Review any firewall or security settings that may be affecting communication. Ensure that the necessary ports are open and that there are no rules blocking the traffic.
  SAP Notes and Support: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that can resolve the issue.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on CPIC (Common Programming Interface for Communication) and troubleshooting communication issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  System Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or contact SAP support for further assistance.