How To Fix D4521 - Total number of rows sorted

SAP Error Message - Details

• Message type: E = Error

• Message class: D4 - DB2/400 specific messages

• Message number: 521

• Message text: Total number of rows sorted

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 D4521 - Total number of rows sorted ?

  The SAP error message D4521, which states "Total number of rows sorted," typically occurs in the context of data processing or reporting within SAP systems, particularly when dealing with large datasets. This message is often related to performance issues or limitations in sorting operations.
  Cause:
  
  Large Dataset: The error can occur when the dataset being processed is too large for the system to handle efficiently during sorting operations.
  Memory Limitations: Insufficient memory allocation for the sorting process can lead to this error, especially if the system is trying to sort a large number of records.
  Database Configuration: The database settings may not be optimized for handling large sorts, leading to performance bottlenecks.
  Inefficient Queries: Poorly written SQL queries or inefficient data retrieval methods can exacerbate the issue.
  
  Solution:
  
  Optimize Queries: Review and optimize the SQL queries to ensure they are efficient. Use indexes where appropriate to speed up data retrieval.
  Increase Memory Allocation: If possible, increase the memory allocation for the SAP system or the database to handle larger sorts.
  Limit Dataset Size: If feasible, limit the size of the dataset being processed. This can be done by applying filters or pagination to reduce the number of records being sorted at one time.
  Database Tuning: Work with your database administrator to tune the database settings for better performance, especially regarding sorting operations.
  Use Background Processing: If the operation is resource-intensive, consider running it in the background to avoid timeouts and performance issues in the foreground.
  Check SAP Notes: Look for relevant SAP Notes or patches that may address this specific error or improve performance in sorting operations.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidance on performance tuning and best practices for handling large datasets.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Performance Monitoring: Use SAP's performance monitoring tools to identify bottlenecks in your system that may be contributing to this error.
  
  If the problem persists after trying these solutions, it may be beneficial to consult with SAP support for further assistance.