How To Fix DT458 - Field &: Type & is not allowed in the key of a cluster table

DT458 - Overview

• Message type: E = Error

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

• Message number: 458

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

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT458 - Field &: Type & is not allowed in the key of a cluster table ?

  The SAP error message DT458 indicates that there is an issue with the definition of a cluster table in the SAP system. Specifically, it states that a certain field (denoted by &) of a certain type (denoted by &) is not allowed to be part of the key of a cluster table. 
  
  Cause:
  
  Field Type Restrictions: In SAP, certain data types are not permitted as key fields in cluster tables. For example, fields of type STRING, XSTRING, or certain complex types may not be allowed.
  Cluster Table Definition: The cluster table may have been incorrectly defined in the Data Dictionary (SE11), where a field that is not allowed as a key was mistakenly included.
  Data Model Design: The design of the data model may not comply with SAP's requirements for cluster tables, which are intended for specific types of data storage.
  
  
  Solution:
  
  Review Field Types: Check the data types of the fields defined in the