How To Fix RZ520 - Buffers

SAP Error Message - Details

• Message type: E = Error

• Message class: RZ - Messages for Computing Center Management System

• Message number: 520

• Message text: Buffers

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RZ520 - Buffers ?

  The SAP error message RZ520 typically relates to issues with buffer management in the SAP system. This error can occur when there are problems with the buffer memory, which is used to store frequently accessed data to improve performance. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause
  
  Buffer Overflow: The buffer may be full, leading to an inability to store new data.
  Configuration Issues: Incorrect settings in the buffer configuration can lead to inefficiencies or errors.
  Memory Limitations: The system may not have enough memory allocated to handle the current workload.
  Database Issues: Problems with the underlying database can also manifest as buffer errors.
  Transport Issues: If there are issues with transport requests, it can lead to inconsistencies in the buffer.
  
  Solutions
  
  Check Buffer Status: Use transaction code RZ20 or RZ21 to monitor the buffer status and see if it is full or if there are any inconsistencies.
  Adjust Buffer Parameters: Review and adjust the buffer parameters in the instance profile. This can include increasing the size of the buffer or changing the configuration settings.
  Clear Buffers: You can clear the buffers using transaction code SM12 or SM21 to remove any locks or inconsistencies.
  Restart the Instance: Sometimes, a simple restart of the SAP instance can resolve temporary buffer issues.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as these can resolve known issues.
  Database Maintenance: Perform regular database maintenance to ensure that the database is functioning optimally, which can help alleviate buffer issues.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address specific buffer issues or provide guidance on configuration.
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RZ10 (to change instance profile parameters), SM37 (to monitor jobs), and ST22 (to analyze dumps).
  SAP Basis: Understanding SAP Basis concepts can help in troubleshooting buffer-related issues, as it involves system administration and performance tuning.
  Performance Monitoring: Regularly monitor system performance and buffer usage to proactively address potential issues before they escalate.
  Documentation: Refer to SAP documentation for detailed information on buffer management and configuration settings.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.