How To Fix E2174 - Maintain and save data class and size category for &

E2174 - Overview

• Message type: E = Error

• Message class: E2 - DE Data Dictionary

• Message number: 174

• Message text: Maintain and save data class and size category for &

What causes this issue?

There should be an entry for the technical settings (data type, size
category,...) for each logical table in the ABAP/4 Dictionary which was
stored as a transparent table. It is used to compute the physical
storage space for the table when it is created in the database.

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?

If possible, maintain the technical settings for this table. You can go
to the maintenance screen for the technical settings with <LS>Goto ->
Techn. settings</>.

Error message extract from SAP system. Copyright SAP SE.

E2174 - Details

• The SAP error message E2174, which states "Maintain and save data class and size category for &," typically occurs when you are trying to create or modify a database table in the Data Dictionary (SE11) without specifying the necessary attributes for the data class and size category.
  
  Cause:
  This error arises when:
  
  You are creating a new table or modifying an existing one in the Data Dictionary.
  The data class and size category for the table have not been defined or saved.
  The system requires these attributes to manage the storage and performance of the database table effectively.
  
  
  Solution:
  To resolve this error, follow these steps:
  
  
  Open the Data Dictionary (SE11):
  
  Go to transaction SE11 in your SAP system.
  
  
  
  Select the Table:
  
  Enter the name of the table you are working on and click on "Display" or "Change."
  
  
  
  Maintain Data Class and Size Category:
  
  In the table definition screen, look for the "Technical Settings" button (or tab).
  Click on it to open the technical