How To Fix 1X177 - Structure comparison header data incomplete

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 177

• Message text: Structure comparison header data incomplete

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 1X177 - Structure comparison header data incomplete ?

  The SAP error message 1X177: Structure comparison header data incomplete typically occurs during the process of comparing structures in the SAP system, particularly when working with data dictionary objects or during transport requests. This error indicates that the header data required for the structure comparison is not complete, which can prevent the system from performing the necessary operations.
  Causes:
  
  Incomplete Header Information: The header data for the structure comparison may be missing or incomplete. This can happen if the structure was not properly defined or if there were issues during the transport of the structure.
  Transport Request Issues: If the structure was transported from one system to another, there may have been issues during the transport that resulted in incomplete data.
  Development Environment Issues: If you are working in a development environment, there may be inconsistencies in the data dictionary objects that need to be resolved.
  Version Mismatch: There may be a version mismatch between the source and target systems, leading to incomplete or incompatible structure definitions.
  
  Solutions:
  
  Check Structure Definition: Verify that the structure is correctly defined in the data dictionary (SE11). Ensure that all required fields and attributes are properly set.
  Recreate the Structure: If the structure is corrupted or incomplete, consider recreating it. This may involve deleting the existing structure and creating a new one with the correct definitions.
  Transport Request Review: If the issue arose after a transport, review the transport request to ensure that all necessary objects were included and that there were no errors during the transport process.
  Consistency Check: Use transaction SE11 to perform a consistency check on the data dictionary objects. This can help identify any inconsistencies that need to be resolved.
  System Synchronization: Ensure that the source and target systems are synchronized in terms of data dictionary objects. If there are discrepancies, you may need to manually adjust the structures or re-transport them.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE09/SE10 (Transport Organizer), SE14 (Database Utility).
  SAP Documentation: Refer to the official SAP documentation for detailed information on data dictionary objects and structure comparisons.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further assistance.