How To Fix DT457 - Field &: Type & is not allowed in a cluster table

DT457 - Overview

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 457

• Message text: Field &: Type & is not allowed in a cluster table

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 DT457 - Field &: Type & is not allowed in a cluster table ?

  The SAP error message DT457 indicates that there is an issue with the data type being used in a cluster table. Specifically, it means that the field type specified is not allowed in a cluster table. Cluster tables in SAP are used to store data that is logically related and can be compressed to save space. However, there are restrictions on the types of fields that can be included in these tables.
  
  Cause:
  The error typically arises due to one of the following reasons:
  
  Invalid Data Type: The field you are trying to define in the cluster table has a data type that is not permitted. For example, certain data types like STRING, XSTRING, or complex types may not be allowed.
  Field Length: The length of the field may exceed the maximum allowed length for cluster tables.
  Incorrect Table Definition: The structure of the table may not conform to the requirements for cluster tables.
  
  
  Solution:
  To resolve