How To Fix /SAPAPO/PPM_MAINTAIN122 - Mat. flow allowed only with start-start or end-start rel. &1 &2 - &3 &4

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PPM_MAINTAIN -

• Message number: 122

• Message text: Mat. flow allowed only with start-start or end-start rel. &1 &2 - &3 &4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PPM_MAINTAIN122 - Mat. flow allowed only with start-start or end-start rel. &1 &2 - &3 &4 ?

  The SAP error message /SAPAPO/PPM_MAINTAIN122 indicates that there is an issue with the relationship types defined in the production planning process. Specifically, the error states that material flow is only allowed with "start-start" or "end-start" relationships between the activities involved.
  Cause:
  This error typically arises in the context of Production Planning and Detailed Scheduling (PP/DS) when:
  
  You are trying to create or modify a production order or a planned order that has relationships between activities that do not conform to the allowed types (i.e., "start-start" or "end-start").
  The relationships defined in the order or planning scenario are incompatible with the material flow requirements.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Activity Relationships:
  
  Go to the relevant production order or planned order in the SAP system.
  Review the relationships between the activities. Ensure that they are defined as either "start-start" or "end-start".
  
  
  
  Modify Relationships:
  
  If you find that the relationships are not set correctly, you will need to modify them. You can do this in the order details or in the planning board, depending on your configuration.
  Change the relationship types to either "start-start" or "end-start" as required.
  
  
  
  Review the Planning Scenario:
  
  If you are working with a planning scenario, ensure that the scenario is set up correctly and that the relationships are defined according to the material flow requirements.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed information on relationship types and their implications in production planning.
  
  
  
  Testing:
  
  After making the necessary changes, test the process again to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  
  Relationship Types:
  
  Start-Start (SS): The successor activity starts when the predecessor activity starts.
  End-Start (ES): The successor activity starts when the predecessor activity ends.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  
  
  Transaction Codes: Familiarize yourself with transaction codes like /SAPAPO/PPM for production planning management, which can help you navigate to the relevant screens for managing orders and relationships.
  
  
  Consult with SAP Support: If the issue persists after following the above steps, consider reaching out to SAP support for further assistance.
  
  
  By ensuring that the relationships are correctly defined and conform to the allowed types, you should be able to resolve the error and proceed with your production planning activities.