How To Fix CNV20200457 - &1: added to CNVSTPARS: TIMESTEP=&2,STEPNUM=&3,PARAMVAL=&4

CNV20200457 - Overview

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 457

• Message text: &1: added to CNVSTPARS: TIMESTEP=&2,STEPNUM=&3,PARAMVAL=&4

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.

CNV20200457 - Details

• The SAP error message CNV20200457 is related to the SAP S/4HANA migration process, specifically during the data conversion phase. This error typically indicates an issue with the parameters being processed in the conversion steps.
  
  Cause:
  The error message CNV20200457 generally arises due to one of the following reasons:
  
  Invalid Parameter Values: The parameters being passed to the conversion step may not be valid or may not meet the expected criteria.
  Data Consistency Issues: There may be inconsistencies in the data that are being converted, which can lead to failures in specific steps.
  
  Configuration Issues: There might be misconfigurations in the migration settings or in the CNV (Conversion) framework.
  
  
  Solution:
  To resolve the CNV20200457 error, you can follow these steps:
  
  
  Check Parameter Values: Review the values of the parameters mentioned in the error message (TIMESTEP, STEPNUM, PARAMVAL) to ensure they are correct and valid for the conversion process.
  
  
  Review Logs: Look at the detailed logs generated during the migration process.