How To Fix ER009 - Reference to a higher hierarchy level is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: ER - IS-U regional structure

• Message number: 009

• Message text: Reference to a higher hierarchy level is not allowed

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ER009 - Reference to a higher hierarchy level is not allowed ?

  The SAP error message ER009, which states "Reference to a higher hierarchy level is not allowed," typically occurs in the context of hierarchical data structures, such as when working with cost centers, profit centers, or other organizational units in SAP. This error indicates that there is an attempt to reference a higher-level node in a hierarchy, which is not permitted according to the system's rules.
  Cause:
  
  Hierarchy Structure Violation: The error usually arises when you try to assign a lower-level object (like a cost center or profit center) to a higher-level object in a way that violates the defined hierarchy.
  Incorrect Configuration: The configuration of the hierarchy may not allow certain types of references, leading to this error.
  Data Entry Error: There may be a mistake in the data entry where a user is trying to link or reference an object incorrectly.
  
  Solution:
  
  Check Hierarchy Levels: Review the hierarchy structure in the relevant module (e.g., controlling, financial accounting) to ensure that you are not trying to reference a higher-level node incorrectly.
  Correct Assignment: Make sure that you are assigning the object to the correct level in the hierarchy. If you need to reference a lower-level object, ensure that it is indeed lower in the hierarchy.
  Review Configuration: If you have access, check the configuration settings for the hierarchy in the SAP system to ensure that they are set up correctly and allow for the intended references.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on the hierarchy structure you are working with.
  Seek Help from SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support or your internal SAP team for assistance.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like KS01 (Create Cost Center), KSO1 (Create Internal Order), or others related to the specific module where the error occurs.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to make changes to the hierarchy structure.
  
  By following these steps, you should be able to identify the cause of the ER009 error and implement a solution to resolve it.