How To Fix PPEENG145 - &1 between &2 and &3 cannot be deleted because of cardinality to &3

SAP Error Message - Details

• Message type: E = Error

• Message class: PPEENG - iPPE Engine Messages

• Message number: 145

• Message text: &1 between &2 and &3 cannot be deleted because of cardinality to &3

What causes this issue?

You have tried to delete a relationship of type &v1& between the
objects &v2& and &v3&. The Customizing for relationship type &v1&
prescribes a minimum number of relationships of type &v1& at object
&v3&. If you delete this relationship, this minimum requirement would
not be met.

System Response

The system does not allow you to delete the relationship of type &v1&
between &v2& and &v3&.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PPEENG145 - &1 between &2 and &3 cannot be deleted because of cardinality to &3 ?

  The SAP error message PPEENG145 indicates that there is an issue with the cardinality of relationships between objects in the context of SAP's Production Planning and Execution (PPE) module. Specifically, this error occurs when you attempt to delete an object (like a production order, project, or similar entity) that is still linked to other objects, which prevents its deletion due to existing dependencies.
  Cause:
  The error message PPEENG145 typically arises from the following scenarios:
  
  Existing Dependencies: The object you are trying to delete has existing relationships or dependencies with other objects. For example, if you are trying to delete a production order that has associated components, operations, or other linked entities, the system will prevent this action.
  Cardinality Constraints: The cardinality rules define how many instances of one entity can be associated with another. If the object you are trying to delete is required by another object (e.g., a component is required for a production order), the system will not allow the deletion.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Dependencies: Investigate the object you are trying to delete and identify any existing dependencies. You can do this by:
  
  Using transaction codes like CO03 (Display Production Order) or CJ20N (Project Management) to view the details of the object.
  Checking for any linked components, operations, or other related entities.
  
  
  
  Remove Dependencies: If you find that there are dependencies preventing the deletion:
  
  Remove or unlink the dependent objects. For example, if there are components assigned to a production order, you may need to remove those components first.
  Ensure that any related documents or records are also addressed.
  
  
  
  Use the Correct Transaction: Make sure you are using the appropriate transaction for deletion. Some objects may require specific transactions to delete them properly.
  
  
  Consult Documentation: If you are unsure about the relationships or how to proceed, consult the SAP documentation or your organization's SAP support team for guidance.
  
  
  Check Authorization: Ensure that you have the necessary authorizations to delete the object. Sometimes, authorization issues can also lead to errors.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing production orders, projects, or other entities in SAP.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  SAP Community: Engage with the SAP Community or forums for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.