How To Fix /ISDFPS/SAB021 - Result contains sites that can only be assigned once

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/SAB -

• Message number: 021

• Message text: Result contains sites that can only be assigned once

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/SAB021 - Result contains sites that can only be assigned once ?

  The SAP error message /ISDFPS/SAB021 Result contains sites that can only be assigned once typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or similar modules where site assignments are managed. This error indicates that there is an attempt to assign a site to multiple locations or planning objects, which is not allowed because each site can only be assigned to one location at a time.
  Cause:
  
  Duplicate Assignments: The primary cause of this error is that the site you are trying to assign is already assigned to another location or planning object.
  Configuration Issues: There may be configuration settings that restrict the assignment of sites to multiple locations.
  Data Integrity Issues: There could be inconsistencies in the master data or planning data that lead to this error.
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Review the current assignments of the site in question. You can do this by navigating to the relevant transaction or using reports that show site assignments.
  Ensure that the site is not already assigned to another location.
  
  
  
  Modify Assignments:
  
  If the site is indeed assigned to another location, you will need to either remove that assignment or choose a different site for your current assignment.
  If the site needs to be reassigned, ensure that the previous assignment is properly deactivated or deleted.
  
  
  
  Data Cleanup:
  
  If you suspect data integrity issues, perform a data cleanup. This may involve checking for orphaned records or inconsistencies in the master data.
  Use transaction codes like /ISDFPS/ or relevant reports to identify and resolve any discrepancies.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to site assignments in your specific version of SAP. There may be specific guidelines or best practices that can help you avoid this error.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide insights based on the specific configuration and version of your SAP system.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that deal with site and location assignments, such as /ISDFPS/ for planning-related tasks.
  Master Data Management: Ensure that your master data is well-maintained and that there are no conflicting entries that could lead to this error.
  User Authorization: Ensure that you have the necessary authorizations to make changes to site assignments, as lack of permissions can sometimes lead to unexpected errors.
  
  By following these steps, you should be able to resolve the error and ensure that your site assignments are correctly configured in SAP.