How To Fix DT224 - Generic key is too long (>& bytes)

DT224 - Overview

• Message type: E = Error

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

• Message number: 224

• Message text: Generic key is too long (>& bytes)

What causes this issue?

You want to buffer the table generically. The key length of the table,
i.e. the sum of the lengths of all the key fields of the table, is too
large for this type of buffering.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

The table cannot be generically buffered. Use full buffering (buffering
type X) or single-record buffering (buffering type P).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT224 - Generic key is too long (>& bytes) ?

  The SAP error message DT224, which states "Generic key is too long (>& bytes)," typically occurs when the length of a key used in a data structure exceeds the maximum allowed length defined by the system. This can happen in various contexts, such as when working with database tables, data elements, or structures that have a defined key length.
  
  Cause:
  
  Key Length Exceeded: The primary cause of this error is that the key being used exceeds the maximum length allowed for that particular data structure or database table.
  Data Model Design: Poorly designed data models or incorrect definitions of keys in custom tables or structures can lead to this issue.
  Data Migration: During data migration or data import processes, if the incoming data has keys that are longer than the defined limits, this error can occur.
  
  
  Solution:
  
  Check Key Length: Review the definition of the key in the relevant data structure or table. Ensure that the