How To Fix SY179 - ABAP_ASSERT: &

SAP Error Message - Details

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 179

• Message text: ABAP_ASSERT: &

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 SY179 - ABAP_ASSERT: & ?

  The SAP error message SY179 ABAP_ASSERT: & typically indicates that an assertion in ABAP code has failed. Assertions are used in ABAP to check for conditions that should always be true at a certain point in the program. When an assertion fails, it means that the program has encountered an unexpected situation, which can lead to incorrect behavior or results.
  Cause
  The cause of the SY179 error can vary, but it generally occurs due to one of the following reasons:
  
  Logical Errors: There may be a logical error in the code where the expected condition is not met.
  Data Issues: The data being processed may not meet the assumptions made in the code, such as null values, incorrect data types, or unexpected data formats.
  Configuration Issues: Sometimes, configuration settings in the system may lead to conditions that are not handled properly in the code.
  Version Compatibility: If the code is running on a different version of SAP than it was developed for, certain assumptions may no longer hold true.
  
  Solution
  To resolve the SY179 error, you can take the following steps:
  
  Check the Code: Review the ABAP code where the assertion failed. Look for the specific assertion statement and understand the condition being checked.
  Debugging: Use the ABAP debugger to step through the code and inspect the values of variables at the point of failure. This can help identify why the assertion is failing.
  Data Validation: Ensure that the data being processed meets the expected criteria. You may need to add additional checks or validations before the assertion.
  Error Handling: Consider implementing error handling to manage unexpected conditions gracefully instead of relying solely on assertions.
  Consult Documentation: Check SAP notes or documentation related to the specific function or module you are working with. There may be known issues or patches available.
  Testing: After making changes, thoroughly test the code to ensure that the issue is resolved and that no new issues have been introduced.
  
  Related Information
  
  ABAP Assertions: Assertions are typically used during development to catch programming errors early. They can be disabled in production environments to avoid performance overhead.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the error message.
  Community Forums: Consider checking SAP Community forums or other developer forums for similar issues and solutions shared by other developers.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.