How To Fix D3763 - Number of central frames available

SAP Error Message - Details

• Message type: E = Error

• Message class: D3 - CCMS - DB2 on OS390

• Message number: 763

• Message text: Number of central frames available

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message D3763 - Number of central frames available ?

  The SAP error message D3763, which states "Number of central frames available," typically relates to issues with the configuration or availability of central frames in the SAP system. This error can occur in various contexts, often related to the SAP GUI or the system's ability to handle user sessions or transactions.
  Cause:
  
  Insufficient Central Frames: The error usually indicates that the number of central frames (or user sessions) available for processing is insufficient. This can happen if the system is configured to allow a limited number of concurrent sessions or if the current load exceeds the configured limits.
  Configuration Issues: The system parameters related to user sessions or central frames may not be set correctly, leading to this error.
  Resource Limitations: The underlying hardware or system resources may be under strain, causing the system to be unable to allocate additional frames.
  
  Solution:
  
  
  Increase Central Frame Limit:
  
  Check the system profile parameters related to user sessions. You may need to increase the values for parameters such as rdisp/max_wprun_time or rdisp/wp_no.
  Use transaction RZ10 to modify the instance profile and increase the number of work processes or central frames.
  
  
  
  Monitor System Load:
  
  Use transaction SM50 or SM66 to monitor the work processes and see if they are being utilized efficiently. If there are many processes in a waiting state, it may indicate a bottleneck.
  Check for long-running transactions that may be holding up resources.
  
  
  
  Review User Sessions:
  
  Ensure that users are not exceeding their allowed number of sessions. You can check this in transaction SU01 for individual users or AL08 for active user sessions.
  
  
  
  Restart the Application Server:
  
  If the issue persists, consider restarting the application server to clear any temporary issues that may be affecting the availability of central frames.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on system parameters and configuration settings.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  System Monitoring Tools: Utilize SAP's monitoring tools (like Solution Manager) to keep track of system performance and resource utilization.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.