How To Fix B1871 - The hierarchy has not been modified

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 871

• Message text: The hierarchy has not been modified

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 B1871 - The hierarchy has not been modified ?

  The SAP error message B1871, "The hierarchy has not been modified," typically occurs in the context of working with hierarchical data structures in SAP, such as when dealing with master data, organizational structures, or reporting hierarchies. This error indicates that an attempt was made to modify a hierarchy, but the system detected that no actual changes were made to the hierarchy structure.
  Cause:
  
  No Changes Made: The most common cause of this error is that the user attempted to save a hierarchy after making no actual changes. This could happen if the user opened the hierarchy, navigated through it, but did not add, delete, or modify any nodes.
  Incorrect Data Entry: Sometimes, users may think they have made changes (like renaming a node) but have not actually saved those changes correctly.
  System Settings: There may be specific settings or configurations in the SAP system that prevent modifications from being recognized.
  
  Solution:
  
  Verify Changes: Ensure that you have made actual changes to the hierarchy. Check if you have added, deleted, or modified any nodes.
  Save Properly: After making changes, ensure that you are saving the hierarchy correctly. Look for any prompts or messages that indicate whether the save was successful.
  Check for Locks: Sometimes, the hierarchy may be locked by another user or process. Ensure that no other transactions are currently using the hierarchy you are trying to modify.
  Review User Permissions: Ensure that you have the necessary permissions to modify the hierarchy. Lack of permissions can sometimes lead to unexpected behavior.
  Consult Documentation: If you are unsure about the process, refer to SAP documentation or help resources specific to the module you are working with.
  Contact Support: If the issue persists and you believe it is a system error, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to this error message. SAP frequently updates its system, and there may be specific notes addressing this issue.
  Transaction Codes: Familiarize yourself with the transaction codes related to the hierarchy you are working with (e.g., transaction codes for maintaining master data or organizational structures).
  User Training: Ensure that users are adequately trained on how to modify hierarchies in SAP to avoid common pitfalls that lead to this error.
  
  By following these steps, you should be able to resolve the B1871 error and successfully modify the hierarchy as needed.