How To Fix /SAPAPO/RBA128 - Enter a characteristic

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RBA -

• Message number: 128

• Message text: Enter a characteristic

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RBA128 - Enter a characteristic ?

  The SAP error message /SAPAPO/RBA128 Enter a characteristic typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a user is trying to execute a function that requires the specification of a characteristic, but none has been provided. This can happen in various scenarios, such as when working with planning books, data views, or when trying to execute a planning function that relies on characteristics.
  Cause:
  
  Missing Characteristic: The user did not specify a required characteristic in the selection criteria.
  Incorrect Configuration: The planning book or data view may not be properly configured to include the necessary characteristics.
  User Input Error: The user may have overlooked entering a characteristic or may have entered it incorrectly.
  
  Solution:
  
  
  Enter a Characteristic: When prompted with the error message, ensure that you enter a valid characteristic in the relevant field. This could be a product characteristic, location, or any other relevant attribute required for the operation you are trying to perform.
  
  
  Check Planning Book Configuration: If you are working with a planning book, verify that the planning book is configured correctly to include the necessary characteristics. You can do this by:
  
  Navigating to the planning book configuration in the SAP APO system.
  Ensuring that the required characteristics are included in the key figures or data views.
  
  
  
  Review User Input: Double-check the input fields to ensure that all required characteristics are filled out correctly. Look for any typos or incorrect entries.
  
  
  Consult Documentation: If you are unsure which characteristics are required for the specific function you are trying to execute, refer to the relevant SAP documentation or help resources.
  
  
  Seek Help from SAP Support: If the issue persists and you cannot identify the missing characteristic, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Training and Documentation: Review training materials or documentation related to SAP APO and planning book configuration to better understand how characteristics are used in the system.
  
  By following these steps, you should be able to resolve the error message and proceed with your planning activities in SAP APO.