How To Fix DT474 - Number of key fields exceeds the maximum value for ABAP runtime (&).

DT474 - Overview

• Message type: E = Error

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

• Message number: 474

• Message text: Number of key fields exceeds the maximum value for ABAP runtime (&).

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT474 - Number of key fields exceeds the maximum value for ABAP runtime (&). ?

  The SAP error message DT474 indicates that the number of key fields defined for a particular data structure or table exceeds the maximum limit allowed by the ABAP runtime environment. This typically occurs when you are trying to define a table or structure with too many key fields, which can lead to performance issues and inefficiencies in data handling.
  
  Cause:
  
  Exceeding Key Field Limit: The maximum number of key fields allowed in a database table or structure is limited (usually to 16 key fields). If you attempt to define more than this limit, you will encounter the DT474 error.
  Incorrect Data Model Design: Sometimes, the data model may be incorrectly designed, leading to an excessive number of key fields being defined for a table or structure.
  Copying or Modifying Existing Structures: If you are copying or modifying existing structures or tables, you might inadvertently add more key fields than allowed.
  
  
  Solution:
  
  Review Key Fields: Check the