How To Fix SY064 - Segment overflow: Too much internal data ( & K + & K)

SAP Error Message - Details

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 064

• Message text: Segment overflow: Too much internal data ( & K + & K)

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 SY064 - Segment overflow: Too much internal data ( & K + & K) ?

  The SAP error message SY064, which indicates a "Segment overflow: Too much internal data," typically occurs when the internal data structure used by SAP exceeds its allocated memory limit. This can happen in various scenarios, such as when processing large amounts of data or when the system is not optimized for the operations being performed.
  Cause:
  
  Large Data Volume: The error often arises when a program or transaction attempts to handle a large volume of data that exceeds the limits of the internal memory segment.
  Inefficient Code: Poorly optimized ABAP code or inefficient data handling can lead to excessive memory usage.
  Configuration Issues: Certain configurations in the SAP system may not be optimized for the data being processed.
  Memory Limitations: The system may have memory limitations due to hardware constraints or configuration settings.
  
  Solution:
  
  
  Optimize ABAP Code: Review and optimize the ABAP code to ensure that it is efficient. This may involve:
  
  Reducing the amount of data being processed at one time.
  Using pagination or batch processing to handle large datasets.
  Avoiding unnecessary data retrieval or processing.
  
  
  
  Increase Memory Limits: If possible, increase the memory limits for the SAP system. This can be done by adjusting the parameters in the instance profile (e.g., abap/heap_area_dia, abap/heap_area_nondia).
  
  
  Use Efficient Data Structures: Consider using more efficient data structures or algorithms that require less memory.
  
  
  Check for Configuration Issues: Review the system configuration to ensure that it is set up to handle the expected data volumes. This may involve checking settings related to memory allocation and data processing.
  
  
  Monitor System Performance: Use transaction codes like ST02 (Tune Summary) and ST03 (Workload Analysis) to monitor memory usage and identify bottlenecks.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE80 (Object Navigator) to analyze the code and SE38 (ABAP Editor) to run reports.
  SAP Community: Engage with the SAP Community for insights and solutions from other users who may have encountered similar issues.
  Performance Tuning: Consider conducting a performance tuning exercise to identify and resolve any underlying issues that may contribute to memory overflow.
  
  If the problem persists after trying these solutions, it may be necessary to engage SAP support for further assistance.