How To Fix PPEACT828 - Recursive relationships have been maintained under &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: PPEACT - Messages for iPPE ACT Application (Activities)

• Message number: 828

• Message text: Recursive relationships have been maintained under &1 &2

What causes this issue?

Individual routing objects below &V1& &V2& are connected in such a
way that recursions occur during the explosion.
Planning in APO is not possible.

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?

Remove the recursion.

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 PPEACT828 - Recursive relationships have been maintained under &1 &2 ?

  The SAP error message PPEACT828 indicates that there are recursive relationships maintained in the system for a specific object, which can lead to issues in processing or data integrity. This error typically arises in the context of SAP's Production Planning and Detailed Scheduling (PP/DS) module, particularly when dealing with master data such as production resources, work centers, or other related objects.
  Cause:
  The error occurs when a relationship is defined in such a way that it creates a loop or recursion. For example, if you have a production resource that is dependent on another resource, and that second resource is also dependent on the first, it creates a circular reference. This can happen in various scenarios, such as:
  
  Bill of Materials (BOM) where components reference each other.
  Production resources that are set up to depend on one another in a circular manner.
  Incorrectly configured master data relationships.
  
  Solution:
  To resolve the PPEACT828 error, you need to identify and eliminate the recursive relationships. Here are the steps you can take:
  
  
  Analyze Relationships: Review the relationships defined for the object mentioned in the error message (indicated by &1 &2). Check for any circular dependencies.
  
  
  Modify Relationships: Once you identify the recursive relationships, modify them to remove the circular references. This may involve:
  
  Changing the dependency structure.
  Removing or altering the relationships that create the loop.
  
  
  
  Use Transaction Codes: Utilize relevant transaction codes to check and maintain master data. For example:
  
  Use CS03 to display BOMs and check for circular references.
  Use CR02 to check and modify characteristics of resources.
  
  
  
  Testing: After making changes, test the configuration to ensure that the error no longer occurs and that the system behaves as expected.
  
  
  Documentation: Document the changes made to the relationships for future reference and to help prevent similar issues.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error. SAP frequently updates its knowledge base with solutions for common issues.
  Master Data Management: Ensure that your master data management practices are robust to prevent the creation of recursive relationships in the future.
  Training: Consider training for users who maintain master data to help them understand the implications of creating relationships and how to avoid circular dependencies.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or reach out to SAP support for further assistance.