How To Fix CM_SUB_MLI034 - Template &1 is used in a relationship and therefore cannot be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_SUB_MLI - Messages for Multilevel Inheritance

• Message number: 034

• Message text: Template &1 is used in a relationship and therefore cannot be deleted

What causes this issue?

You cannot delete inheritance templates that are used in at least one
relationship.

How to fix this error?

If you really need to delete the template, you must delete it from the
corresponding inheritance relationships beforehand.
Note:
You can use the <LS>Specification in relationship</> search on the
<LS>Edit Specification: Initial Screen</> to define the specifications
involved in inheritance relationships in this inheritance template.
Check in the header data for the specifications on the
<LS>Relationships</> tab page whether the inheritance relationships can
be deleted.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_SUB_MLI034 - Template &1 is used in a relationship and therefore cannot be deleted ?

  The SAP error message CM_SUB_MLI034 indicates that a template (identified by &1) is currently being used in a relationship, which prevents it from being deleted. This is a common issue when working with templates in SAP, particularly in the context of Master Data Management or Configuration Management.
  Cause:
  The error occurs because the template you are trying to delete is still referenced in one or more relationships within the system. SAP enforces this restriction to maintain data integrity and ensure that relationships are not broken inadvertently.
  Solution:
  To resolve this error, you need to follow these steps:
  
  
  Identify Relationships: Determine where the template is being used. You can do this by:
  
  Checking the relationships in the relevant transaction or application where the template is utilized.
  Using transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to query the database tables that might reference the template.
  
  
  
  Remove or Update Relationships: Once you have identified the relationships:
  
  If the relationships are no longer needed, you can delete them.
  If they are still required, consider updating the relationships to use a different template instead of the one you want to delete.
  
  
  
  Delete the Template: After ensuring that the template is no longer in use, you can attempt to delete it again.
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that can help you manage templates and relationships, such as:
  
  CMMT for managing configuration management templates.
  CRO1 for creating relationships.
  CR02 for changing relationships.
  
  
  
  Documentation: Refer to SAP Help documentation for more details on managing templates and relationships. This can provide insights into best practices and additional functionalities.
  
  
  Authorization: Ensure that you have the necessary authorizations to delete templates and modify relationships in the system.
  
  
  Backup: Before making changes, consider backing up any important data or configurations to prevent accidental loss.
  
  
  By following these steps, you should be able to resolve the CM_SUB_MLI034 error and successfully delete the template if it is no longer needed.