How To Fix SY104 - Buffer overflow

SAP Error Message - Details

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 104

• Message text: Buffer overflow

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 SY104 - Buffer overflow ?

  The SAP error message SY104, which indicates a "Buffer overflow," typically occurs when the system attempts to process more data than the allocated buffer can handle. This can happen in various contexts, such as during data processing, report generation, or when handling large datasets.
  Causes of SY104 Buffer Overflow
  
  
  Excessive Data Volume: The most common cause is that the program is trying to handle more data than the buffer can accommodate. This can happen with large internal tables or when processing large files.
  
  
  Inefficient Code: Poorly optimized ABAP code can lead to excessive memory usage, causing buffers to overflow.
  
  
  Configuration Issues: Sometimes, system configuration settings may limit the buffer size, leading to overflow when the actual data exceeds these limits.
  
  
  Data Structure Issues: If the data structures used in the program are not defined correctly or are too large, they can lead to buffer overflow.
  
  
  Solutions to SY104 Buffer Overflow
  
  
  Optimize Code: Review and optimize the ABAP code to ensure that it handles data efficiently. This may involve:
  
  Reducing the size of internal tables.
  Using pagination or chunking to process data in smaller batches.
  Avoiding unnecessary data retrieval.
  
  
  
  Increase Buffer Size: If possible, increase the buffer size in the relevant configuration settings. This may involve adjusting parameters in the SAP system settings.
  
  
  Use Proper Data Types: Ensure that the data types used in your program are appropriate for the data being processed. For example, using a more compact data type can help reduce memory usage.
  
  
  Check for Loops: Ensure that there are no infinite loops or excessive iterations in your code that could lead to excessive memory consumption.
  
  
  Debugging: Use debugging tools to identify the exact point of failure and analyze the data being processed at that time. This can help pinpoint the cause of the overflow.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that may address known issues related to buffer overflow.
  
  
  Related Information
  
  SAP Documentation: Refer to the official SAP documentation for guidelines on memory management and performance optimization in ABAP.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  Performance Analysis Tools: Utilize tools like the ABAP Runtime Analysis (transaction SE30) or SQL Trace (transaction ST05) to analyze performance and memory usage.
  
  If the issue persists after trying these solutions, it may be necessary to involve SAP support for further assistance.