How To Fix AW661 - System error occurred during summarization of line items

AW661 - Overview

• Message type: E = Error

• Message class: AW - AuC messages

• Message number: 661

• Message text: System error occurred during summarization of line items

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 AW661 - System error occurred during summarization of line items ?

  The SAP error message AW661, which states "System error occurred during summarization of line items," typically occurs during the summarization process in the SAP system, particularly in the context of financial or controlling modules. This error can arise due to various reasons, including data inconsistencies, configuration issues, or system performance problems.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the line item data that prevent the summarization process from completing successfully.
  
  Configuration Issues: Incorrect configuration settings in the relevant modules (e.g., FI, CO) can lead to errors during summarization.
  Performance Issues: If the system is under heavy load or if there are performance bottlenecks, it may lead to timeouts or failures during the summarization process.
  Missing Authorizations: Lack of necessary authorizations for the user executing the summarization can also trigger this error.
  Database Issues: Problems with the underlying database, such as locks or corruption, can cause errors during data processing.
  
  Solutions:
  
  
  Check for Data Inconsistencies:
  
  Use transaction codes like