How To Fix /PLMI/ECN_BO026 - Valid-from date is invalid for alternative date &2 of change number &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMI/ECN_BO -

• Message number: 026

• Message text: Valid-from date is invalid for alternative date &2 of change number &1

Self-Explanatory Message

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• What is the cause and solution for SAP error message /PLMI/ECN_BO026 - Valid-from date is invalid for alternative date &2 of change number &1 ?

  The SAP error message /PLMI/ECN_BO026 Valid-from date is invalid for alternative date &2 of change number &1 typically occurs in the context of Engineering Change Management (ECM) within SAP. This error indicates that there is an issue with the "valid-from" date associated with a specific alternative date for a change number.
  Cause:
  
  Invalid Date Configuration: The valid-from date specified for the alternative date is either in the past or does not align with the expected date range for the change number.
  Date Overlap: The valid-from date may overlap with another change number or alternative date, causing a conflict.
  Incorrect Change Number Status: The change number may not be in a status that allows for the modification of valid-from dates.
  Missing Data: Required data for the change number or alternative date may be missing or incorrectly configured.
  
  Solution:
  
  Check Valid-From Date: Verify the valid-from date for the alternative date in question. Ensure that it is set correctly and falls within the acceptable range.
  Review Change Number Status: Ensure that the change number is in a status that allows for changes. If it is in a locked or completed status, you may need to unlock or change its status.
  Adjust Dates: If there are overlapping dates with other change numbers or alternative dates, adjust the dates accordingly to eliminate conflicts.
  Consult Documentation: Review the relevant SAP documentation or configuration guides for Engineering Change Management to ensure that all settings are correct.
  Use Transaction Codes: Utilize transaction codes like CC01 (Create Change Number) or CC02 (Change Change Number) to review and modify the change number and its associated dates.
  Check for Custom Logic: If your organization has custom logic or enhancements in place, ensure that they are not interfering with the standard date validation process.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Transaction Codes: Familiarize yourself with transaction codes related to Engineering Change Management, such as CC01, CC02, CC03, and CC04.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to change numbers and their associated dates.
  Testing: After making changes, test the process to ensure that the error does not reoccur.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in Engineering Change Management.