How To Fix BRAIN526 - 'Delta buffer' breakpoint reached

SAP Error Message - Details

• Message type: E = Error

• Message class: BRAIN -

• Message number: 526

• Message text: 'Delta buffer' breakpoint reached

Delta buffers that belong to the writable InfoProviders support the
following operations:
Read: CL_RSPLS_DELTA_BUFFER_B->READ
The data read is returned in E_TX_DATA.
Write: CL_RSPLS_DELTA_BUFFER_B->WRITE
The data from C_T_DATA is written to the delta buffer of a writable
provider.
Save: CL_RSPLS_DELTA_BUFFER_B->SAVE
P_R_TSX_DATA contains the data to be saved. The data is stored in
packages.

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 BRAIN526 - 'Delta buffer' breakpoint reached ?

  The SAP error message BRAIN526, which states "Delta buffer breakpoint reached," typically occurs in the context of SAP BW (Business Warehouse) and is related to the delta mechanism used for data extraction. This error indicates that the delta buffer has reached its limit, which can prevent further data extraction until the issue is resolved.
  Cause:
  
  Delta Buffer Limit Reached: The delta buffer is a temporary storage area that holds data changes (delta records) before they are processed. If the buffer reaches its maximum capacity, it can trigger this error.
  Long Running Processes: If there are long-running processes or delays in processing the delta records, the buffer can fill up quickly.
  Configuration Issues: Incorrect configuration of the delta process or the data source can lead to inefficient handling of delta records.
  Data Volume: A sudden increase in the volume of data being extracted can also lead to the buffer filling up.
  
  Solution:
  
  Process Delta Records: Ensure that the delta records in the buffer are processed. You can do this by running the relevant data load process to clear the delta buffer.
  Monitor and Adjust Buffer Size: Check the configuration settings for the delta buffer size. If necessary, increase the buffer size to accommodate larger volumes of data.
  Check for Long Running Processes: Investigate any long-running processes that may be causing delays in processing the delta records. Optimize these processes if possible.
  Schedule Regular Data Loads: Implement a regular schedule for data loads to ensure that the delta buffer does not fill up. This can help in managing the volume of data being processed.
  Review Data Source Configuration: Ensure that the data source configuration is correct and optimized for delta extraction. This includes checking the settings for delta initialization and delta management.
  Clear the Buffer: If the buffer is full and you cannot process the records immediately, you may need to clear the buffer manually. However, this should be done with caution, as it may result in data loss.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA7 (for monitoring delta queue) and RSMO (for monitoring data loads) to check the status of delta records and the delta buffer.
  SAP Notes: Check SAP Notes related to BRAIN526 for any specific patches or updates that may address this issue.
  Performance Monitoring: Regularly monitor the performance of your BW system to identify potential bottlenecks that could lead to similar issues in the future.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation and support.