How To Fix RTCMMD173 - First adjust the "Valid From" date of the parent assignments

SAP Error Message - Details

• Message type: E = Error

• Message class: RTCMMD - Article Hierarchy

• Message number: 173

• Message text: First adjust the "Valid From" date of the parent assignments

Self-Explanatory Message

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• What is the cause and solution for SAP error message RTCMMD173 - First adjust the "Valid From" date of the parent assignments ?

  The SAP error message RTCMMD173 typically occurs in the context of managing master data, particularly when dealing with parent-child relationships in assignments, such as in the case of material master data or other hierarchical data structures. The error indicates that there is a conflict with the "Valid From" date of the parent assignment, which needs to be addressed before proceeding with the current operation.
  Cause:
  The error arises when you attempt to create or modify a child assignment (e.g., a subordinate material or object) that has a "Valid From" date that is earlier than the "Valid From" date of its parent assignment. This inconsistency prevents the system from maintaining the integrity of the data hierarchy.
  Solution:
  To resolve the RTCMMD173 error, you need to adjust the "Valid From" date of the parent assignment so that it is earlier than or equal to the "Valid From" date of the child assignment. Here are the steps to do this:
  
  
  Identify the Parent Assignment: Determine which parent assignment is causing the issue. This can usually be found in the error message details or by reviewing the assignment hierarchy.
  
  
  Check Valid From Dates: Review the "Valid From" dates of both the parent and child assignments. You can do this by navigating to the relevant master data transaction (e.g., MM01, MM02 for material master).
  
  
  Adjust the Parent's Valid From Date:
  
  Go to the parent assignment in the relevant transaction.
  Change the "Valid From" date to a date that is earlier than or equal to the child's "Valid From" date.
  Save the changes.
  
  
  
  Re-attempt the Operation: After adjusting the parent assignment's date, try to perform the operation that triggered the error again.
  
  
  Related Information:
  
  Transaction Codes: Common transaction codes related to material master data include MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material).
  Data Consistency: Maintaining consistent "Valid From" dates is crucial for data integrity in SAP. Always ensure that parent-child relationships are correctly defined.
  Documentation: Refer to SAP Help documentation or your organization's internal guidelines for managing master data and understanding the implications of date changes.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any specific patches or updates related to this error message.