How To Fix 3O028 - &1 (&2) and &3 (&4) has same CLASS valid date.

SAP Error Message - Details

• Message type: E = Error

• Message class: 3O - HR: Messages for Taiwan

• Message number: 028

• Message text: &1 (&2) and &3 (&4) has same CLASS valid date.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 3O028 - &1 (&2) and &3 (&4) has same CLASS valid date. ?

  The SAP error message 3O028 indicates that there is a conflict in the validity dates of the classes assigned to a particular object. This error typically arises when you are trying to assign a class to an object (like a material, equipment, etc.) and the class you are trying to assign has overlapping validity dates with another class that is already assigned to that object.
  Cause:
  
  Overlapping Validity Dates: The primary cause of this error is that the class you are trying to assign has a validity period that overlaps with another class already assigned to the same object.
  Incorrect Class Configuration: There may be an issue with how the classes are configured in the system, leading to conflicts in their validity periods.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Class Assignments:
  
  Go to the object (e.g., material, equipment) that you are trying to assign the class to.
  Check the existing class assignments and their validity dates.
  
  
  
  Review Class Validity Dates:
  
  Identify the classes that are already assigned and their validity periods.
  Compare these dates with the class you are trying to assign.
  
  
  
  Adjust Validity Dates:
  
  If possible, adjust the validity dates of the classes to ensure that there are no overlaps. This may involve changing the start or end dates of one of the classes.
  
  
  
  Remove Conflicting Class:
  
  If the class you are trying to assign is more relevant, consider removing the conflicting class from the object.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP administrator for specific guidelines on managing class assignments and validity periods.
  
  
  
  Testing:
  
  After making the necessary adjustments, try to assign the class again to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CL02 (Change Class) or CL03 (Display Class) to manage class definitions and their validity periods.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  User Authorization: Ensure that you have the necessary authorizations to make changes to class assignments and validity periods.
  
  By following these steps, you should be able to resolve the error message 3O028 and successfully assign the class to the object in SAP.