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

CL666 - Overview

• 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?

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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