How To Fix CNV21500021 - Structure &1 of component &2 found in DDIC.

CNV21500021 - Overview

• Message type: E = Error

• Message class: CNV21500 - Messages for HR conversions basis

• Message number: 021

• Message text: Structure &1 of component &2 found in DDIC.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

CNV21500021 - Details

• The SAP error message CNV21500021 indicates that a specific structure in the Data Dictionary (DDIC) is found in the component specified. This error typically arises during data migration or conversion processes, particularly when using SAP's tools for data migration, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
  
  Cause:
  The error message CNV21500021 usually occurs due to one of the following reasons:
  
  Incompatibility: The structure in question may not be compatible with the current version of the software or the migration process being executed.
  Missing or Incorrect Configuration: The component or structure may not be properly configured or may be missing required fields or attributes.
  Data Model Changes: Changes in the data model between different versions of SAP can lead to structures being found in the DDIC that are no longer relevant or expected in the current context.
  Custom Development: If there are custom developments or modifications in the system, they may not align