How To Fix 1X179 - Select a structure comparison

SAP Error Message - Details

• Message type: E = Error

• Message class: 1X - General hierarchy maintenance tool message

• Message number: 179

• Message text: Select a structure comparison

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 1X179 - Select a structure comparison ?

  The SAP error message 1X179, which states "Select a structure comparison," typically occurs in the context of data modeling or when working with structures in SAP, particularly in the context of the Data Dictionary or when using tools like the ABAP Dictionary.
  Cause:
  This error usually arises when the system expects the user to select a specific structure for comparison, but no structure has been selected. This can happen in various scenarios, such as:
  
  When trying to compare two structures in the Data Dictionary.
  When using a transaction that requires a structure to be selected for analysis or comparison.
  
  Solution:
  To resolve the error, follow these steps:
  
  
  Select a Structure: Ensure that you have selected a structure for comparison. This may involve navigating to the appropriate screen or transaction where the comparison is to be made and explicitly choosing the structures you want to compare.
  
  
  Check Transaction Context: Make sure you are in the correct transaction or context where structure comparison is applicable. If you are unsure, refer to the documentation or help resources for the specific transaction.
  
  
  Review User Permissions: Ensure that you have the necessary permissions to access and compare the structures. Sometimes, lack of authorization can lead to unexpected behavior.
  
  
  Consult Documentation: If you are unsure how to proceed, consult the SAP Help documentation or the specific transaction's help section for guidance on how to select structures for comparison.
  
  
  Contact Support: If the issue persists after trying the above steps, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the transaction codes related to Data Dictionary operations, such as SE11 (Data Dictionary), SE80 (Object Navigator), etc.
  SAP Notes: Check SAP Notes for any updates or patches that might address this error.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to resolve the error message 1X179 and successfully select a structure for comparison in SAP.