How To Fix /FLDQ/AD_TECH_ERRORS016 - Maximum time for making repetitive calls to RFC Server[...]not defined.


SAP Error Message - Details

  • Message type: E = Error

  • Message class: /FLDQ/AD_TECH_ERRORS -

  • Message number: 016

  • Message text: Maximum time for making repetitive calls to RFC Server[...]not defined.

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  • Self-Explanatory Message

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Smart SAP Assistant

  • What is the cause and solution for SAP error message /FLDQ/AD_TECH_ERRORS016 - Maximum time for making repetitive calls to RFC Server[...]not defined. ?

    The SAP error message /FLDQ/AD_TECH_ERRORS016 Maximum time for making repetitive calls to RFC Server [...] not defined typically indicates that there is an issue with the configuration of the Remote Function Call (RFC) settings in your SAP system. This error can occur when the system is trying to make repetitive calls to an RFC server, but the maximum time allowed for these calls has not been defined or has been exceeded.

    Causes:

    1. Configuration Issue: The maximum time for making repetitive calls to the RFC server is not set in the system configuration.
    2. Network Issues: There may be network latency or connectivity issues affecting the communication between the SAP system and the RFC server.
    3. Performance Bottlenecks: The RFC server may be overloaded or experiencing performance issues, leading to delays in processing requests.
    4. Timeout Settings: The timeout settings for the RFC connection may be too low, causing the system to exceed the allowed time for repetitive calls.

    Solutions:

    1. Check RFC Configuration:

      • Go to transaction SM59 to check the configuration of the RFC destination.
      • Ensure that the parameters for the maximum time for repetitive calls are set correctly. You may need to adjust the settings to allow for longer processing times if necessary.
    2. Adjust Timeout Settings:

      • In the RFC destination settings, look for parameters related to timeouts (e.g., rfc_timeout, rfc_max_retries, etc.) and adjust them as needed.
    3. Monitor Network Performance:

      • Use network monitoring tools to check for latency or connectivity issues between the SAP system and the RFC server.
      • Ensure that there are no firewalls or network configurations that could be causing delays.
    4. Check RFC Server Performance:

      • Monitor the performance of the RFC server to ensure it is not overloaded.
      • If necessary, optimize the server or distribute the load across multiple servers.
    5. Review SAP Notes:

      • Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional configuration guidance.
    6. Consult with Basis Team:

      • If you are unable to resolve the issue, consult with your SAP Basis team or system administrator for further assistance. They may have additional insights or tools to diagnose the problem.

    Related Information:

    • Transaction Codes:

      • SM59 - RFC Destinations
      • ST22 - Dump Analysis (to check for any related dumps)
      • SM21 - System Log (to check for any related log entries)
    • SAP Documentation: Refer to the official SAP documentation for detailed information on RFC configuration and performance tuning.

    By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.

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