How To Fix TW022 - Internal error in program line: used_size (&) > buffer_size (&)

SAP Error Message - Details

• Message type: E = Error

• Message class: TW - R3trans - Messages

• Message number: 022

• Message text: Internal error in program line: used_size (&) > buffer_size (&)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TW022 - Internal error in program line: used_size (&) > buffer_size (&) ?

  The SAP error message TW022 indicates an internal error related to memory management, specifically that the used size of a buffer exceeds its allocated size. This can occur in various scenarios, often related to data processing or memory allocation issues within the SAP system.
  Cause:
  
  Buffer Overflow: The error typically arises when the program attempts to use more memory than what has been allocated for a specific buffer. This can happen due to programming errors, incorrect data handling, or unexpected data sizes.
  Data Volume: If the volume of data being processed exceeds the expected limits, it can lead to this error.
  Custom Code: If there are custom developments or modifications in the SAP system, they may not handle memory allocation correctly, leading to this error.
  System Bugs: There may be bugs in the SAP system or specific modules that can cause this error under certain conditions.
  
  Solution:
  
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and support packages. SAP often releases notes and updates that fix known issues.
  Review Custom Code: If the error occurs in a custom program or enhancement, review the code for any potential issues with buffer handling. Ensure that the buffer sizes are correctly defined and that the program does not exceed these limits.
  Analyze Data Volume: If the error is related to processing large volumes of data, consider optimizing the data processing logic. This may involve breaking down large datasets into smaller chunks or optimizing the queries used to retrieve data.
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that address this specific error. SAP Notes often provide detailed information on known issues and their resolutions.
  Debugging: If you have access to debugging tools, you can analyze the program execution to identify where the buffer overflow occurs. This may require the assistance of a developer or SAP Basis consultant.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the program name, transaction code, and any relevant logs.
  
  Related Information:
  
  Transaction Codes: You may want to check transaction codes like ST22 (Dump Analysis) or SM21 (System Log) to gather more information about the error and its context.
  Performance Monitoring: Use transaction codes like ST03N (Workload Analysis) to monitor system performance and identify any bottlenecks that may contribute to memory issues.
  Memory Management: Familiarize yourself with SAP's memory management concepts, including buffer sizes and memory allocation strategies, to better understand how to prevent such errors in the future.
  
  By following these steps, you should be able to diagnose and resolve the TW022 error in your SAP system.