How To Fix /SAPAPO/CTM1347 - Plan &1 has more than one activity without predecessors

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CTM1 -

• Message number: 347

• Message text: Plan &1 has more than one activity without predecessors

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CTM1347 - Plan &1 has more than one activity without predecessors ?

  The SAP error message /SAPAPO/CTM1347 Plan &1 has more than one activity without predecessors typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when using the Capacity Planning or CTM (Capable-to-Match) functionalities. This error indicates that there is a planning object (like a production plan) that has multiple activities that do not have any predecessor activities defined. This situation can lead to ambiguity in the planning process, as the system does not know the order in which these activities should be executed.
  Cause:
  
  Multiple Activities Without Predecessors: The primary cause of this error is that the planning object has more than one activity that can start independently, which can create conflicts in scheduling.
  Incorrect Activity Configuration: The activities may not be properly configured in terms of their relationships, leading to a lack of defined predecessors.
  Data Integrity Issues: There may be issues with the data integrity in the planning object, such as missing or incorrect links between activities.
  
  Solution:
  
  Define Predecessors: Review the activities associated with the plan and ensure that each activity has the appropriate predecessor defined. This can be done in the planning book or the relevant transaction where the activities are managed.
  Adjust Activity Relationships: If certain activities are meant to be executed in a specific order, adjust their relationships accordingly to reflect this in the system.
  Check Activity Configuration: Ensure that the configuration of the activities is correct and that they are set up to reflect the intended planning logic.
  Review Planning Object: Analyze the entire planning object to ensure that all activities are correctly linked and that there are no orphaned activities without predecessors.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on managing activities and predecessors in your version of SAP APO.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/CTM for CTM planning or /SAPAPO/MC90 for managing planning books.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on this error.
  Training and Support: If you are unsure about how to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who specializes in APO.
  
  By addressing the underlying causes of the error and ensuring that all activities are properly linked, you should be able to resolve the issue and proceed with your planning activities in SAP APO.