How To Fix RTCMMD320 - Assignments of material & with overlapping date records

SAP Error Message - Details

• Message type: E = Error

• Message class: RTCMMD - Article Hierarchy

• Message number: 320

• Message text: Assignments of material & with overlapping date records

Self-Explanatory Message

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• What is the cause and solution for SAP error message RTCMMD320 - Assignments of material & with overlapping date records ?

  The SAP error message RTCMMD320, which states "Assignments of material & with overlapping date records," typically occurs in the context of material master data management, particularly when dealing with the assignment of materials to various organizational units or when managing their validity periods.
  Cause:
  This error arises when there are overlapping date ranges for the same material assignment. For example, if you have two records for the same material that are supposed to be valid during different time periods, but the date ranges overlap, SAP will throw this error to prevent data inconsistencies.
  Solution:
  To resolve this error, you need to ensure that there are no overlapping date ranges for the material assignments. Here are the steps you can take:
  
  
  Identify Overlapping Records:
  
  Use transaction codes like MM02 (Change Material) or MM03 (Display Material) to check the material assignments.
  Look for the validity dates of the existing records and identify any overlaps.
  
  
  
  Adjust Date Ranges:
  
  Modify the date ranges of the conflicting records so that they do not overlap. This may involve changing the start or end dates of one or more records.
  Ensure that each record has a unique validity period.
  
  
  
  Delete or Archive Old Records:
  
  If certain records are no longer needed, consider deleting or archiving them to prevent future conflicts.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or guidelines provided by your organization regarding material assignments to ensure compliance with business rules.
  
  
  
  Test Changes:
  
  After making adjustments, test the changes to ensure that the error no longer occurs and that the material assignments are functioning as expected.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) for managing material master data.
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message.
  User Roles: Ensure that you have the necessary permissions to make changes to material master data.
  Training: Consider training sessions or resources on material management in SAP to better understand how to manage assignments and avoid similar issues in the future.
  
  By following these steps, you should be able to resolve the RTCMMD320 error and ensure that your material assignments are correctly configured without overlapping date records.