How To Fix /SAPAPO/PROD337 - A non end-start activity relationship has been created in the operatn &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PROD -

• Message number: 337

• Message text: A non end-start activity relationship has been created in the operatn &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PROD337 - A non end-start activity relationship has been created in the operatn &1 ?

  The SAP error message /SAPAPO/PROD337 indicates that a non end-start activity relationship has been created in the operation specified (denoted by &1). This typically occurs in the context of Advanced Planning and Optimization (APO) within SAP, particularly when dealing with production planning and scheduling.
  Cause:
  The error arises when there is a mismatch in the relationship between activities in a production process. Specifically, it indicates that an activity is set up in such a way that it does not follow the expected end-start relationship. In a typical production scenario, one activity should end before the next one starts. If the relationship is defined incorrectly (for example, if an activity is set to start before the previous one has ended), this error will be triggered.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Activity Relationships:
  
  Go to the production order or the relevant planning object in SAP.
  Review the activity relationships defined for the operation in question.
  Ensure that the relationships are set correctly, following the end-start logic.
  
  
  
  Adjust Activity Settings:
  
  If you find that the relationships are incorrect, modify them to ensure that they adhere to the end-start relationship requirement.
  You may need to adjust the start and end times of the activities involved.
  
  
  
  Recreate the Operation:
  
  If the relationships are complex or if you are unable to resolve the issue, consider deleting the problematic operation and recreating it with the correct relationships.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed guidance on setting up activity relationships correctly.
  
  
  
  Testing:
  
  After making changes, test the production order or planning scenario to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CO02 (Change Production Order) or C223 (Change Activity Relationships) to access and modify the relevant data.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address known issues.
  Training and Documentation: Ensure that users involved in production planning are trained on how to set up activity relationships correctly to prevent this error in the future.
  
  By following these steps, you should be able to identify and correct the issue causing the /SAPAPO/PROD337 error message.