How To Fix TU421 - Contr.&1: Dyn. scheduling for orig.portion differs from altern.portion &2

SAP Error Message - Details

• Message type: E = Error

• Message class: TU - Billing/Scheduling/Budget Billing

• Message number: 421

• Message text: Contr.&1: Dyn. scheduling for orig.portion differs from altern.portion &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message TU421 - Contr.&1: Dyn. scheduling for orig.portion differs from altern.portion &2 ?

  The SAP error message TU421 indicates a discrepancy in dynamic scheduling between the original portion and the alternative portion in a transportation or logistics context. This error typically arises in the context of transportation management or production planning when there is a mismatch in the scheduling parameters for different portions of a transportation or production order.
  Cause:
  The error message TU421 is triggered when:
  
  The dynamic scheduling settings for the original portion of a transportation or production order do not match those of the alternative portion.
  There may be inconsistencies in the configuration of the scheduling parameters, such as lead times, transportation durations, or resource availability.
  The system may be trying to schedule resources or transportation routes that are not aligned with the defined parameters for the original and alternative portions.
  
  Solution:
  To resolve the TU421 error, you can take the following steps:
  
  
  Check Scheduling Parameters:
  
  Review the scheduling parameters for both the original and alternative portions. Ensure that they are consistent and correctly configured.
  Look for discrepancies in lead times, transportation durations, or any other relevant scheduling settings.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the SAP system related to transportation management or production planning. Ensure that the settings for dynamic scheduling are correctly defined and aligned for both portions.
  
  
  
  Adjust Order Details:
  
  If necessary, adjust the details of the transportation or production order to ensure that the original and alternative portions have compatible scheduling parameters.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on dynamic scheduling and the TU421 error. This may provide additional insights into the configuration settings that need to be checked.
  
  
  
  Test Changes:
  
  After making adjustments, test the changes by attempting to reprocess the order or scheduling request to see if the error persists.
  
  
  
  Seek Support:
  
  If the issue continues to occur, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance based on your specific system configuration and business processes.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to transportation management (e.g., /SCMTMS) or production planning (e.g., CO01, CO02) to help navigate the system effectively.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the TU421 error and implement a solution to resolve it.