How To Fix WV266 - Class type &1 is not defined

WV266 - Overview

• Message type: E = Error

• Message class: WV - Messages about Sales Price Calculation

• Message number: 266

• Message text: Class type &1 is not defined

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 WV266 - Class type &1 is not defined ?

  The SAP error message WV266, which states "Class type &1 is not defined," typically occurs in the context of working with classification in SAP, particularly when dealing with material master data or classification systems. This error indicates that the system is unable to find a class type that is referenced in the operation you are trying to perform.
  
  Cause:
  
  Missing Class Type: The specified class type (denoted by &1 in the error message) has not been defined in the system.
  Incorrect Configuration: The class type may have been incorrectly configured or deleted.
  Authorization Issues: The user may not have the necessary authorizations to access the class type.
  Transport Issues: If the class type was recently transported from another system, it may not have been properly imported.
  
  
  Solution:
  
  
  Check Class Type Definition:
  
  Go to transaction code CL02 (Change Class) or CL01 (Create Class) to check if the class type exists.
  If it does not exist, you may need to create