How To Fix CNV_10020452 - Parameter &1 cannot be maintained in package &2

CNV_10020452 - Overview

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 452

• Message text: Parameter &1 cannot be maintained in package &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.

CNV_10020452 - Details

• The SAP error message CNV_10020452, which states "Parameter &1 cannot be maintained in package &2," typically occurs during the execution of a conversion or migration process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with maintaining a specific parameter in the specified package.
  
  Cause:
  
  Parameter Restrictions: The parameter you are trying to maintain may be restricted or not allowed to be changed in the context of the specified package.
  
  Configuration Issues: There may be configuration settings that prevent the modification of certain parameters.
  Package Locking: The package might be locked or in use by another process, preventing changes to its parameters.
  Authorization Issues: The user may not have the necessary authorizations to maintain the parameter in the specified package.
  
  
  Solution:
  
  Check Parameter Validity: Verify that the parameter you are trying to maintain is valid and can be modified in the context of the package you are