How To Fix NR045 - No buffers exist to be reorganized

SAP Error Message - Details

• Message type: E = Error

• Message class: NR - Number ranges

• Message number: 045

• Message text: No buffers exist to be reorganized

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 NR045 - No buffers exist to be reorganized ?

  The SAP error message NR045 ("No buffers exist to be reorganized") typically occurs in the context of the SAP system's buffer management, particularly when dealing with the database buffer or the SAP memory management. This message indicates that there are no buffers available that require reorganization, which can happen for a few reasons.
  Cause:
  
  No Buffers to Reorganize: The most straightforward cause is that there are simply no buffers that need to be reorganized at the moment. This can happen if the system has been running smoothly and there are no changes in the data that would necessitate a reorganization.
  Configuration Issues: There may be configuration settings that prevent the system from recognizing buffers that need to be reorganized.
  Buffer Management Settings: The buffer management settings in the SAP system may not be optimized, leading to this message being displayed.
  
  Solution:
  
  Check Buffer Status: Use transaction codes like SM12 (for lock entries) or SM21 (for system log) to check the status of the buffers and see if there are any issues.
  Reorganize Buffers: If you believe there should be buffers to reorganize, you can try to manually trigger a buffer reorganization using transaction SARA (Archive Administration) or SDBA (Database Administration).
  Review Configuration: Check the configuration settings for buffer management in the SAP system. Ensure that the parameters related to buffer sizes and management are set correctly.
  System Performance: Monitor the overall performance of the SAP system. If the system is running optimally, it may not require any buffer reorganization.
  Consult Documentation: Refer to SAP documentation or notes related to buffer management for specific guidance on your version of SAP.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to buffer management and the NR045 error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered this issue and what solutions they have found.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the state of the buffers.
  
  If the issue persists or if you are unsure about making changes to the configuration, it may be beneficial to consult with your SAP Basis team or a qualified SAP consultant for further assistance.