How To Fix CNV_DMC_UI_FW_EXCEPT057 - Data element '&1' does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_UI_FW_EXCEPT - Messages for exception classes

• Message number: 057

• Message text: Data element '&1' does not exist

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_UI_FW_EXCEPT057 - Data element '&1' does not exist ?

  The SAP error message CNV_DMC_UI_FW_EXCEPT057 indicating that "Data element '&1' does not exist" typically arises in the context of data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error suggests that the system is trying to reference a data element that is not defined in the system.
  Causes:
  
  Missing Data Element: The data element specified in the error message does not exist in the SAP system. This could be due to a typo, or the data element may not have been created or activated.
  Incorrect Configuration: The configuration settings for the data migration process may be incorrect, leading to references to non-existent data elements.
  Transport Issues: If the data element was recently transported from another system, it may not have been transported correctly or may not exist in the target system.
  Version Mismatch: The version of the migration tool or the source/target system may not be compatible, leading to references to data elements that are not available.
  
  Solutions:
  
  Check Data Element Existence: Verify if the data element exists in the system. You can do this by using transaction SE11 (Data Dictionary) to search for the data element.
  Correct Configuration: Review the configuration settings in the migration cockpit or the relevant migration tool to ensure that all references to data elements are correct and valid.
  Transport Check: If the data element is supposed to be part of a transport request, ensure that the transport was successful and that the data element is present in the target system.
  Update Migration Tool: Ensure that you are using the latest version of the migration tool and that it is compatible with your SAP system version.
  Consult Documentation: Refer to the official SAP documentation for the migration tool you are using to ensure that you are following the correct procedures and configurations.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Debugging: If you have access to debugging tools, you may want to trace the execution to see where the error is being triggered and gather more context about the missing data element.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.