How To Fix DT456 - Field &: Type DECFLOAT (&) not allowed in key of a pooled table

DT456 - Overview

• Message type: E = Error

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

• Message number: 456

• Message text: Field &: Type DECFLOAT (&) not allowed in key of a pooled table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT456 - Field &: Type DECFLOAT (&) not allowed in key of a pooled table ?

  The SAP error message DT456 indicates that you are trying to use a DECFLOAT data type as a key field in a pooled table. In SAP, pooled tables are designed to store data in a way that allows for efficient storage and retrieval, and they have specific restrictions on the types of fields that can be used as keys.
  
  Cause:
  The DECFLOAT data type is not allowed as a key field in pooled tables due to the way pooled tables are structured and how they manage data. Pooled tables are typically used for storing small amounts of data that can be combined into a single table in the database, and they require key fields to be of certain types that can be efficiently managed.
  
  Solution:
  To resolve this error, you need to change the data type of the key field in your pooled table definition. Here are the steps you can take:
  
  
  Change the Data