How To Fix CL666 - '&' is assigned to logical object '&'

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 666

• Message text: '&' is assigned to logical object '&'

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 CL666 - '&' is assigned to logical object '&' ?

  The SAP error message CL666 typically indicates that there is an issue with the assignment of a logical object in the system. This error can occur in various contexts, such as when working with classification, master data, or during the configuration of certain objects in SAP.
  Cause:
  The error message CL666 occurs when:
  
  A logical object (like a class or characteristic) is not properly assigned or is incorrectly referenced in the system.
  There may be inconsistencies in the configuration or data setup, such as missing or incorrect entries in the classification system.
  The logical object may not exist in the system or may have been deleted or deactivated.
  
  Solution:
  To resolve the CL666 error, you can take the following steps:
  
  
  Check Object Existence: Verify that the logical object referenced in the error message actually exists in the system. You can do this by navigating to the relevant transaction (e.g., CL02 for classes, CT04 for characteristics) and checking if the object is present.
  
  
  Review Assignments: Ensure that the logical object is correctly assigned to the relevant classification or master data. This may involve checking the configuration settings and ensuring that all necessary links are established.
  
  
  Correct Data Entries: If there are any inconsistencies or incorrect entries, correct them. This may involve updating the classification data or reassigning objects as needed.
  
  
  Check Authorizations: Ensure that you have the necessary authorizations to view or modify the logical objects in question. Lack of proper permissions can sometimes lead to errors.
  
  
  Consult Documentation: Review SAP documentation or help resources related to the specific module or functionality you are working with. This can provide insights into common issues and their resolutions.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with the error message details and any relevant context to help them diagnose the issue.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01 (Create Class), CL02 (Change Class), CL03 (Display Class), CT04 (Create Characteristic), and CT05 (Change Characteristic).
  Classification System: Understanding the classification system in SAP and how logical objects are structured can help in troubleshooting issues related to assignments.
  SAP Community: Engage with the SAP Community forums where you can find discussions and solutions related to similar error messages.
  
  By following these steps, you should be able to identify and resolve the issue causing the CL666 error in your SAP system.