How To Fix AD077 - Choose only one object class

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 077

• Message text: Choose only one object class

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 AD077 - Choose only one object class ?

  The SAP error message AD077 ("Choose only one object class") typically occurs when you are trying to perform an action that requires you to select a single object class, but you have selected multiple classes instead. This error is common in various SAP transactions where object classes are involved, such as in authorization management or when working with certain configuration settings.
  Cause:
  The error is triggered when the system expects a single object class to be selected, but the user has selected more than one. This can happen in scenarios like:
  
  When defining authorizations in transaction codes like PFCG (Profile Generator).
  When trying to create or modify objects in a way that requires a specific object class.
  
  Solution:
  To resolve the AD077 error, follow these steps:
  
  
  Review Your Selections: Go back to the screen where the error occurred and check the selections you made. Ensure that you have selected only one object class.
  
  
  Deselect Extra Classes: If you have multiple object classes selected, deselect all but one. Make sure that the remaining selection is the one you intend to work with.
  
  
  Re-attempt the Action: After ensuring that only one object class is selected, try to execute the action again.
  
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes, particularly those related to authorization and object management.
  Documentation: Refer to SAP Help documentation for specific transaction codes to understand the requirements for object class selection.
  User Roles: Ensure that your user role has the necessary permissions to perform the action you are attempting, as sometimes permissions can also lead to confusion in object class selection.
  
  If the problem persists after following these steps, consider reaching out to your SAP administrator or consulting SAP support for further assistance.