How To Fix PPEENG190 - &1 &2 has relationships that are not allowed for node type &3

SAP Error Message - Details

• Message type: E = Error

• Message class: PPEENG - iPPE Engine Messages

• Message number: 190

• Message text: &1 &2 has relationships that are not allowed for node type &3

What causes this issue?

The node whose node type you want to change still has relationships.
These relationships are assigned a type that is not intended for the
new node type.

System Response

Node type is not changed.

How to fix this error?

Delete the relationship that is not compatible with the new node type.

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 PPEENG190 - &1 &2 has relationships that are not allowed for node type &3 ?

  The SAP error message PPEENG190 indicates that there are relationships in a project or engineering structure that are not allowed for a specific node type. This error typically arises in the context of Product Structure Management or Engineering Change Management within SAP, particularly when dealing with the configuration of product structures or bill of materials (BOMs).
  Cause:
  The error can occur due to several reasons:
  
  Invalid Relationships: The relationships defined between nodes (e.g., components, assemblies) in the product structure do not conform to the rules set for the specific node type. For example, a certain node type may not allow certain types of relationships (like a component being a parent of another component).
  Configuration Issues: The configuration settings for the node types may not be correctly defined, leading to invalid relationships.
  Data Integrity Issues: There may be inconsistencies or corruption in the data that define the relationships between nodes.
  
  Solution:
  To resolve the PPEENG190 error, you can take the following steps:
  
  
  Review Relationships: Check the relationships defined for the nodes in question. Ensure that they conform to the allowed relationships for the specified node type. You can do this by:
  
  Navigating to the relevant transaction (e.g., CS02 for BOMs) and reviewing the structure.
  Identifying the specific relationships that are causing the issue.
  
  
  
  Correct Invalid Relationships: If you find any invalid relationships, you will need to correct or remove them. This may involve:
  
  Changing the parent-child relationships.
  Adjusting the node types or their configurations.
  
  
  
  Check Configuration Settings: Review the configuration settings for the node types involved. Ensure that they are set up correctly to allow the intended relationships.
  
  
  Data Consistency Check: Run data consistency checks to identify any other potential issues in the product structure or BOM that may be causing the error.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on allowed relationships for different node types.
  
  
  Seek Help from SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide insights based on the specific configuration and version of your SAP system.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS01 (Create BOM), CS02 (Change BOM), and CS03 (Display BOM) to manage BOMs effectively.
  Node Types: Understand the different node types and their allowed relationships in the context of your specific SAP implementation.
  SAP Notes: Check for any SAP Notes related to PPEENG190 for additional context or patches that may address known issues.
  
  By following these steps, you should be able to identify and resolve the cause of the PPEENG190 error in your SAP system.