How To Fix IRW_LT027 - Error while generating structure definitions

SAP Error Message - Details

• Message type: E = Error

• Message class: IRW_LT - ILM LT

• Message number: 027

• Message text: Error while generating structure definitions

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message IRW_LT027 - Error while generating structure definitions ?

  The SAP error message IRW_LT027, which indicates "Error while generating structure definitions," typically occurs during the process of generating or modifying data structures in the SAP system, particularly in the context of Logistics or Warehouse Management.
  Causes:
  
  Data Model Issues: There may be inconsistencies or errors in the data model that prevent the generation of structure definitions.
  Missing or Incorrect Configuration: Required configuration settings may be missing or incorrectly set up in the system.
  Authorization Issues: The user may not have the necessary authorizations to perform the operation.
  Transport Issues: If the changes are being transported from one system to another, there may be issues with the transport request.
  System Bugs: There may be bugs or issues in the specific version of SAP you are using.
  
  Solutions:
  
  Check Configuration: Review the configuration settings related to the data structures you are trying to generate. Ensure that all necessary settings are correctly configured.
  Review Logs: Check the system logs (transaction SLG1) for more detailed error messages that can provide insights into what went wrong.
  Authorization Check: Ensure that the user executing the operation has the necessary authorizations. You can check this using transaction SU53 after the error occurs.
  Recreate the Structure: If possible, try to delete and recreate the structure definitions to see if that resolves the issue.
  Transport Request: If the issue is related to a transport request, ensure that the request is correctly released and imported into the target system.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  Consult Documentation: Review the official SAP documentation for any specific requirements or steps that need to be followed when generating structure definitions.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and SLG1 (Application Log).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurred.
  
  By following these steps, you should be able to diagnose and potentially resolve the IRW_LT027 error in your SAP system.