How To Fix 42123 - Select either a class or an area

SAP Error Message - Details

• Message type: E = Error

• Message class: 42 - Information Workbench

• Message number: 123

• Message text: Select either a class or an area

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 42123 - Select either a class or an area ?

  The SAP error message 42123, which states "Select either a class or an area," typically occurs in the context of SAP's classification system, particularly when working with classification views or when trying to assign characteristics to classes or areas in the system.
  Cause:
  This error usually arises when the user attempts to perform an action that requires a selection of either a class or an area, but neither has been selected. This can happen in various scenarios, such as:
  
  When trying to create or modify a classification for a material or object without specifying a class or area.
  When the user interface does not have the necessary input fields filled out, leading to ambiguity in the selection process.
  
  Solution:
  To resolve this error, follow these steps:
  
  
  Check Your Selection: Ensure that you have selected either a class or an area in the relevant fields. If you are in a transaction that requires you to specify one of these, make sure to fill in the required fields.
  
  
  Review the Transaction: If you are using a specific transaction code (like CL02 for class maintenance), ensure that you are following the correct steps and that you are in the right screen to make the necessary selections.
  
  
  Consult Documentation: If you are unsure about the process, refer to SAP documentation or help files related to classification and characteristics. This can provide guidance on how to properly select classes or areas.
  
  
  Check Authorizations: Sometimes, the error may be related to user authorizations. Ensure that you have the necessary permissions to access and modify classes or areas.
  
  
  System Configuration: If the issue persists, it may be worth checking with your SAP Basis or configuration team to ensure that the classification system is set up correctly and that there are no underlying configuration issues.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01 (Create Class), CL02 (Change Class), and CL03 (Display Class) for managing classes in SAP.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, specific versions of SAP may have bugs that are documented in SAP Notes.
  User Forums: Consider visiting SAP community forums or discussion boards where other users may have encountered similar issues and can provide insights or solutions.
  
  By following these steps, you should be able to resolve the error message 42123 and continue with your classification tasks in SAP.