How To Fix PPEACT852 - CTM planning only allows one end-start relationship at &1 from &2 to &3

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 852

• Message text: CTM planning only allows one end-start relationship at &1 from &2 to &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PPEACT852 - CTM planning only allows one end-start relationship at &1 from &2 to &3 ?

  The SAP error message PPEACT852 indicates that there is an issue with the planning relationships in the Capacity Planning or CTM (Capable-to-Match) module. Specifically, it states that only one end-start relationship is allowed for a particular operation or activity.
  Cause:
  This error typically arises when:
  
  Multiple Relationships: There are multiple end-start relationships defined for the same operation or activity, which is not permitted in the CTM planning process.
  Incorrect Configuration: The configuration of the planning objects (like production orders, planned orders, or activities) may have been set up incorrectly, leading to conflicting relationships.
  Data Integrity Issues: There may be inconsistencies or errors in the master data or transaction data that define the relationships between activities.
  
  Solution:
  To resolve the PPEACT852 error, you can take the following steps:
  
  
  Check Relationships:
  
  Review the relationships defined for the specific operation or activity mentioned in the error message. Ensure that there is only one end-start relationship.
  Use transaction codes like C223 (for changing relationships) or C220 (for displaying relationships) to inspect the relationships.
  
  
  
  Adjust Planning Objects:
  
  If you find multiple relationships, you will need to adjust the planning objects to ensure that only one valid end-start relationship exists.
  Remove or modify any conflicting relationships that are not necessary.
  
  
  
  Data Consistency:
  
  Ensure that the master data (like BOMs, routings, and work centers) is consistent and correctly configured.
  Check for any recent changes that might have introduced inconsistencies.
  
  
  
  Re-run Planning:
  
  After making the necessary adjustments, re-run the planning process to see if the error persists.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed guidance on managing relationships in CTM planning.
  
  
  
  Seek Support:
  
  If the issue persists after following the above steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as C223, C220, MD01, and MD02 for planning and relationship management.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address known issues.
  Training: Consider training or resources on CTM and capacity planning to better understand how to manage relationships effectively.
  
  By following these steps, you should be able to identify and resolve the cause of the PPEACT852 error in your SAP system.