How To Fix ACM281 - CTE cannot be build because for entity: &1 no keys were defined

SAP Error Message - Details

• Message type: E = Error

• Message class: ACM - Message-Class for all ACM functions/exceptions

• Message number: 281

• Message text: CTE cannot be build because for entity: &1 no keys were 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 ACM281 - CTE cannot be build because for entity: &1 no keys were defined ?

  The SAP error message ACM281 indicates that the system is unable to build a CTE (Common Table Expression) for a specific entity because no keys have been defined for that entity. This typically occurs in the context of SAP Analytics Cloud (SAC) or SAP BW (Business Warehouse) when working with data models or queries.
  
  Cause:
  
  Missing Key Definitions: The primary cause of this error is that the entity in question does not have any keys defined. Keys are essential for uniquely identifying records in a database or data model.
  Data Model Configuration: The data model may not have been configured correctly, leading to the absence of key fields.
  Entity Type: The entity type may not support key definitions, or it may be incorrectly set up.
  
  
  Solution:
  
  
  Define Keys: 
  
  Go to the data model or entity configuration in your SAP system.
  Identify the entity that is causing the error (indicated by &1 in the error message).
  Define the necessary