How To Fix CNV_21527001 - Mapping not maintained for renaming logical system

CNV_21527001 - Overview

• Message type: E = Error

• Message class: CNV_21527 - Logical System Rename

• Message number: 001

• Message text: Mapping not maintained for renaming logical system

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.

CNV_21527001 - Details

• The SAP error message CNV_21527001 indicates that there is a mapping issue related to the renaming of a logical system in the context of a data migration or system conversion process. This error typically arises during the execution of a conversion or migration project, particularly when using SAP's tools for data migration, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
  
  Cause:
  The error occurs when the system cannot find a mapping for the logical system that is being renamed. This can happen due to several reasons:
  
  Missing Mapping Entries: The mapping for the logical system has not been defined in the relevant configuration tables.
  Incorrect Configuration: The configuration for the logical system renaming might be incorrect or incomplete.
  Data Migration Tool Issues: There may be issues with the data migration tool or the specific migration project settings.
  
  
  Solution:
  To resolve the error CNV_21527001, you can follow these steps:
  
  
  Check Mapping Configuration:
  
  Go to the relevant transaction