How To Fix /SAPAPO/OM_ERROR2343 - Scheduled constraint where scheduling-relev. activity is a dummy activity

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 343

• Message text: Scheduled constraint where scheduling-relev. activity is a dummy activity

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR2343 - Scheduled constraint where scheduling-relev. activity is a dummy activity ?

  The SAP error message /SAPAPO/OM_ERROR2343 indicates that there is a scheduling issue related to a dummy activity in the context of Advanced Planning and Optimization (APO) in SAP. This error typically arises when the system encounters a scheduled constraint where the scheduling-relevant activity is identified as a dummy activity, which cannot be processed as expected.
  Cause:
  
  Dummy Activity: The error is primarily caused by the presence of a dummy activity in the scheduling process. Dummy activities are placeholders that do not have any actual processing time or resource allocation associated with them.
  Scheduling Constraints: The scheduling constraints defined in the planning scenario may not be compatible with the dummy activity, leading to conflicts during the scheduling process.
  Incorrect Configuration: There may be incorrect configuration settings in the planning area or the master data that lead to the system treating a legitimate activity as a dummy.
  
  Solution:
  
  Review Activity Configuration: Check the configuration of the activities in the planning area. Ensure that the activities are correctly defined and that any dummy activities are appropriately set up.
  Adjust Scheduling Constraints: Modify the scheduling constraints to ensure they are compatible with the activities being scheduled. This may involve changing the constraints or removing the dummy activity if it is not needed.
  Check Master Data: Review the master data associated with the planning area, including resources, production versions, and activity definitions. Ensure that all relevant data is correctly maintained and that there are no inconsistencies.
  Use Real Activities: If possible, replace the dummy activity with a real activity that has defined processing times and resource requirements. This will help the scheduling process to function correctly.
  Consult Documentation: Refer to SAP documentation or notes related to this error message for any specific recommendations or patches that may address the issue.
  
  Related Information:
  
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or fixes provided by SAP.
  APO Configuration: Familiarize yourself with the configuration settings in SAP APO, particularly those related to scheduling and activity management.
  Testing: After making changes, conduct thorough testing to ensure that the scheduling process works as expected without triggering the error again.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with an SAP expert or reach out to SAP support for further assistance.