How To Fix R8020 - InfoObject &1 was not created; the data element already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 020

• Message text: InfoObject &1 was not created; the data element already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R8020 - InfoObject &1 was not created; the data element already exists ?

  The SAP error message R8020 indicates that there is an attempt to create an InfoObject (such as a characteristic or key figure) that cannot be created because the data element associated with it already exists in the system. This typically occurs during the creation of InfoObjects in the SAP BW (Business Warehouse) environment.
  Cause:
  The primary cause of this error is that the data element you are trying to use for the new InfoObject is already defined in the SAP system. In SAP BW, each InfoObject is linked to a data element, which defines the data type and attributes of the InfoObject. If you attempt to create a new InfoObject with a data element that is already in use, the system will prevent the creation to avoid duplication and maintain data integrity.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Data Elements:
  
  Go to the Data Dictionary (transaction SE11) and check if the data element you are trying to use already exists. If it does, you can use that existing data element for your InfoObject instead of trying to create a new one.
  
  
  
  Use a Different Data Element:
  
  If you need a different data element for your InfoObject, create a new data element with a unique name and then use it for your InfoObject.
  
  
  
  Modify the Existing InfoObject:
  
  If the existing data element is appropriate for your needs, consider modifying the existing InfoObject to meet your requirements instead of creating a new one.
  
  
  
  Check Naming Conventions:
  
  Ensure that you are following the naming conventions and standards set by your organization to avoid conflicts with existing objects.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or your organization's guidelines for creating InfoObjects to ensure compliance with best practices.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SE11: Data Dictionary
  RSA1: Data Warehousing Workbench (for InfoObject management)
  
  
  
  SAP Notes: 
  
  Check SAP Notes for any specific issues or updates related to InfoObject creation and data elements.
  
  
  
  Best Practices: 
  
  Always check for existing objects before creating new ones to avoid conflicts.
  Maintain a clear naming convention for data elements and InfoObjects to minimize confusion.
  
  
  
  By following these steps, you should be able to resolve the R8020 error and successfully create or modify your InfoObjects in SAP BW.