How To Fix BRAIN528 - 'Plan buffer' breakpoint reached

SAP Error Message - Details

• Message type: E = Error

• Message class: BRAIN -

• Message number: 528

• Message text: 'Plan buffer' breakpoint reached

Data from the plan buffer of an aggregation level is placed in E_T_DATA.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BRAIN528 - 'Plan buffer' breakpoint reached ?

  The SAP error message BRAIN528, which states "Plan buffer breakpoint reached," typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when there is an issue related to the planning buffer. This message indicates that the system has reached a predefined limit for the planning buffer, which is used to store planning data temporarily during the planning process.
  Cause:
  
  Buffer Limit Reached: The planning buffer has a limit on the amount of data it can hold. When this limit is reached, the system cannot process additional planning requests.
  High Volume of Data: If a large volume of planning data is being processed simultaneously, it can quickly fill up the buffer.
  Configuration Issues: Incorrect configuration of the planning environment or insufficient resources allocated to the planning buffer can lead to this error.
  Long Running Processes: If there are long-running planning processes that do not release the buffer, it can lead to this error.
  
  Solution:
  
  Increase Buffer Size: You can increase the size of the planning buffer in the system settings. This can be done by adjusting the relevant parameters in the SAP BW configuration.
  Optimize Planning Processes: Review and optimize the planning processes to ensure they are efficient and do not consume excessive resources.
  Monitor and Manage Data Volume: Monitor the volume of data being processed and manage it effectively. This may involve breaking down large planning tasks into smaller ones.
  Clear Buffer: If possible, clear the planning buffer to free up space. This can sometimes be done by executing specific transactions or programs designed to clear the buffer.
  Check for Long-Running Processes: Identify and address any long-running planning processes that may be holding onto the buffer for an extended period.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like RSADMIN, RSRT, or RSPC to monitor and manage planning processes and buffers.
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message. SAP frequently releases updates that may address known issues.
  Performance Monitoring: Utilize SAP BW performance monitoring tools to analyze the performance of your planning processes and identify bottlenecks.
  Documentation: Refer to SAP documentation for detailed information on configuring and managing planning buffers in SAP BW.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further analysis and support.