How To Fix CNV20600191 - Old value &1, new value &2

CNV20600191 - Overview

• Message type: E = Error

• Message class: CNV20600 - message class for package 20600

• Message number: 191

• Message text: Old value &1, new value &2

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.

CNV20600191 - Details

• The SAP error message CNV20600191 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a conflict between an old value and a new value during the data transformation process. 
  
  Cause:
  The error message CNV20600191 is triggered when the system detects that a value being processed has changed from an old value (&1) to a new value (&2) in a way that is not acceptable or expected. This can happen due to several reasons, including:
  
  Data Inconsistency: The source data may have inconsistencies or invalid entries that do not match the expected format or constraints in the target system.
  Mapping Issues: There may be issues with the mapping rules defined for the data migration, leading to incorrect transformations.
  Business Logic Violations: The new value may violate business rules or constraints defined in the target system.
  Configuration Errors: Incorrect configuration settings