How To Fix E2070 - No fields that are not already defined in DDIC were found

E2070 - Overview

• Message type: E = Error

• Message class: E2 - DE Data Dictionary

• Message number: 070

• Message text: No fields that are not already defined in DDIC were found

What causes this issue?

The entity type does not contain any fields that are not already
defined in the Dictionary.

System Response

No fields can be copied.

How to fix this error?

Insert fields with existing Dictionary reference directly in the table.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

E2070 - Details

• The SAP error message E2070 ("No fields that are not already defined in DDIC were found") typically occurs during the process of creating or modifying a data structure, such as a table or a view, in the Data Dictionary (DDIC). This error indicates that the system did not find any fields that are not already defined in the Data Dictionary, which means that the fields you are trying to add or reference are already defined elsewhere.
  Causes:
  
  Duplicate Field Definitions: You may be trying to add fields to a structure or table that already exist in the Data Dictionary.
  Incorrect Field References: The fields you are trying to reference may not be correctly defined or may not exist in the context you are working in.
  Data Element Issues: If you are using data elements that are not properly defined or are not compatible with the structure you are working on, this error can occur.
  Transport