How To Fix RSO579 - Object &1 may not be assigned to append &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSO - BW Repository

• Message number: 579

• Message text: Object &1 may not be assigned to append &2

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 RSO579 - Object &1 may not be assigned to append &2 ?

  The SAP error message RSO579 indicates that there is an issue with the assignment of an object (like a DataSource, InfoObject, or InfoProvider) to an append structure in the SAP BW (Business Warehouse) environment. Specifically, it means that the object you are trying to assign cannot be linked to the specified append structure.
  Cause:
  The error can occur due to several reasons:
  
  Incompatible Object Types: The object you are trying to assign may not be compatible with the append structure. For example, you might be trying to assign a DataSource to an InfoObject append that is not designed to accept it.
  Technical Settings: The technical settings of the object or the append structure may not allow for the assignment. This could be due to restrictions in the data model or the way the append structure is defined.
  Missing Authorizations: Sometimes, the user may not have the necessary authorizations to perform the assignment.
  Incorrect Configuration: There may be a misconfiguration in the BW system that prevents the assignment.
  
  Solution:
  To resolve the RSO579 error, you can take the following steps:
  
  
  Check Object Compatibility: Ensure that the object you are trying to assign is compatible with the append structure. Review the definitions and types of both the object and the append structure.
  
  
  Review Technical Settings: Go to the technical settings of both the object and the append structure. Make sure that they are set up correctly and that there are no restrictions preventing the assignment.
  
  
  Authorization Check: Verify that you have the necessary authorizations to perform the assignment. If not, contact your system administrator to obtain the required permissions.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on the types of objects that can be assigned to append structures.
  
  
  Debugging: If the issue persists, consider using transaction codes like SE80 or SE11 to debug the data model and see if there are any underlying issues.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional guidance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench) and SE11 (Data Dictionary) for managing InfoObjects and DataSources.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  SAP Help Portal: Utilize the SAP Help Portal for detailed documentation on BW objects and their configurations.
  
  By following these steps, you should be able to identify the cause of the RSO579 error and implement a solution to resolve it.