How To Fix CL560 - Hierarchy material group & is already assigned to &

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 560

• Message text: Hierarchy material group & is already assigned to &

What causes this issue?

Hierarchy material group &V2& is already allocated to &V1&. You cannot
maintain any other allocations.

System Response

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

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 CL560 - Hierarchy material group & is already assigned to & ?

  The SAP error message CL560 typically indicates that there is an issue with the assignment of a hierarchy material group in the classification system. This error occurs when you attempt to assign a material to a hierarchy that is already assigned to another object or when there is a conflict in the assignment.
  Cause:
  
  Duplicate Assignment: The hierarchy material group you are trying to assign is already assigned to another material or object.
  Incorrect Hierarchy Structure: The hierarchy structure may not allow for the assignment you are attempting to make.
  Authorization Issues: There may be restrictions based on user roles or authorizations that prevent the assignment.
  Data Integrity Issues: There may be inconsistencies in the data that are causing the assignment to fail.
  
  Solution:
  
  Check Existing Assignments: Verify if the hierarchy material group is already assigned to another material. You can do this by navigating to the classification view and checking the existing assignments.
  Remove Existing Assignment: If the hierarchy material group is indeed assigned to another object and you want to reassign it, you may need to remove the existing assignment first.
  Review Hierarchy Structure: Ensure that the hierarchy structure allows for the assignment you are trying to make. You may need to adjust the hierarchy if it is not set up correctly.
  Check Authorizations: Ensure that you have the necessary authorizations to make changes to the hierarchy material group. If not, contact your system administrator.
  Data Consistency Check: Run a data consistency check to identify any issues in the classification data that may be causing the error.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CL02 (Change Class), CL03 (Display Class), or CL30 (Display Class Hierarchy) to manage and view classifications and hierarchies.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to SAP Help documentation for more details on classification and hierarchy management.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in classification and material management.