How To Fix UPC028 - There is no characteristic relationship with the number &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UPC - Planning: General Error Messages

• Message number: 028

• Message text: There is no characteristic relationship with the number &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UPC028 - There is no characteristic relationship with the number &1 ?

  The SAP error message UPC028 ("There is no characteristic relationship with the number &1") typically occurs in the context of SAP's Advanced Planning and Optimization (APO) module, particularly when dealing with characteristic relationships in the context of demand planning or supply network planning.
  Cause:
  The error indicates that the system is unable to find a characteristic relationship that corresponds to the specified number (represented by &1). This can happen for several reasons:
  
  Missing Characteristic Relationship: The characteristic relationship you are trying to use has not been defined in the system.
  Incorrect Number: The number you are referencing may be incorrect or does not exist in the system.
  Data Inconsistency: There may be inconsistencies in the data or configuration that prevent the system from recognizing the relationship.
  Authorization Issues: The user may not have the necessary authorizations to view or access the characteristic relationships.
  
  Solution:
  To resolve the UPC028 error, you can take the following steps:
  
  
  Check Characteristic Relationships:
  
  Go to the transaction code /SAPAPO/CHARS or use the relevant transaction for managing characteristic relationships.
  Verify if the characteristic relationship with the specified number exists. If it does not, you may need to create it.
  
  
  
  Create or Modify Characteristic Relationships:
  
  If the characteristic relationship is missing, create a new one by defining the necessary characteristics and their relationships.
  Ensure that the relationships are correctly configured according to your planning requirements.
  
  
  
  Verify the Number:
  
  Double-check the number you are using in your transaction or report. Ensure it is correct and corresponds to an existing characteristic relationship.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access and manage characteristic relationships. You may need to consult with your SAP security team.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to characteristic relationships in APO for additional guidance on how to set them up correctly.
  
  
  
  System Logs:
  
  Check system logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/CHARS for managing characteristics and relationships.
  SAP Notes: Search for SAP Notes related to UPC028 for any known issues or patches that may address the problem.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the UPC028 error and implement a solution to resolve it.