How To Fix AD590 - Table &: new version only, 'Add fields' not allowed

AD590 - Overview

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 590

• Message text: Table &: new version only, 'Add fields' not allowed

What causes this issue?

The table was not previously active and is now available in a new
version. The <LS>Append fields</> function can only be performed for a
table that is already active.

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?

Use the field maintenance screen of the corresponding table to add
fields to the new version.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD590 - Table &: new version only, 'Add fields' not allowed ?

  The SAP error message AD590 indicates that you are trying to add fields to a table that is marked as "new version only." This typically occurs when you are working with a database table that has been defined in such a way that it does not allow modifications to its structure, such as adding new fields.
  
  Cause:
  
  Table Versioning: The table is set to "new version only," which means that it is designed to only allow certain types of changes or updates. This is often used for tables that are part of a standard SAP application where the structure is tightly controlled.
  Transport Layer Restrictions: The table may be part of a transport layer that restricts changes to its structure to maintain consistency across different environments (development, testing, production).
  Database Constraints: The underlying database may have constraints that prevent modifications to the table structure.
  
  
  Solution:
  
  Check Table Attributes: Review the attributes of the table in the