How To Fix CNV_PE_UI801 - Parameter mapping for &1 and X-structure &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_UI -

• Message number: 801

• Message text: Parameter mapping for &1 and X-structure &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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_UI801 - Parameter mapping for &1 and X-structure &2 ?

  The SAP error message CNV_PE_UI801, which indicates an issue with parameter mapping for a specific field and X-structure, typically arises in the context of data migration or conversion processes, particularly when using SAP's Conversion Tools or the SAP S/4HANA Migration Cockpit.
  Cause:
  
  
  Parameter Mapping Issues: The error suggests that there is a problem with how parameters are mapped between the source and target structures. This could be due to:
  
  Missing or incorrect mapping definitions.
  Incompatibility between the source data structure and the target structure.
  Changes in the data model that have not been reflected in the mapping configuration.
  
  
  
  Data Type Mismatches: If the data types of the source and target fields do not match, this can lead to mapping errors.
  
  
  Configuration Errors: Incorrect configuration in the migration cockpit or conversion tools can also lead to this error.
  
  
  Solution:
  
  
  Check Mapping Configuration: Review the mapping configuration for the specific parameter and X-structure mentioned in the error message. Ensure that all required mappings are defined correctly.
  
  
  Validate Data Structures: Ensure that the source and target data structures are compatible. Check for any changes in the data model that may affect the mapping.
  
  
  Data Type Verification: Verify that the data types of the fields being mapped are compatible. If there are discrepancies, adjust the mapping or transform the data accordingly.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific migration tool or conversion process you are using. There may be specific guidelines or requirements for mapping parameters.
  
  
  Use SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues.
  
  
  Testing: After making changes, perform a test run of the migration or conversion process to ensure that the error has been resolved.
  
  
  Related Information:
  
  SAP Migration Cockpit: This tool is used for migrating data to SAP S/4HANA. Understanding its configuration and mapping capabilities is crucial for resolving such errors.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration, including data cleansing, validation, and testing.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.