How To Fix CNV_PE186 - Data model parameter &1 in worklist interface is inconsistent

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 186

• Message text: Data model parameter &1 in worklist interface is inconsistent

What causes this issue?

The information of the data model is stored (for technical reasons)
simply as a copy also in the corresponding worklist interface. However,
the current situation indicates that there is an inconsistency in this
copy.
Parameter <ZH>&V1&</> (ID: <ZH>&V2&</>) within the worklist interface
(ID: <ZH>&V3&</>), reflecting the corresponding data model parameter, is
inconsistent.
The most likely inconsistency is a missing structure information.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Contact SAP for support.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE186 - Data model parameter &1 in worklist interface is inconsistent ?

  The SAP error message CNV_PE186 indicates that there is an inconsistency in the data model parameter in the worklist interface. This error typically arises during data migration or conversion processes, particularly when using SAP's tools for data migration, such as the SAP S/4HANA Migration Cockpit or other data conversion tools.
  Cause:
  The inconsistency can be caused by several factors, including:
  
  Incorrect Configuration: The data model parameters may not be correctly configured in the worklist interface, leading to mismatches.
  Missing or Incomplete Data: Required data for the migration process may be missing or incomplete, causing the parameters to be inconsistent.
  Version Mismatch: There may be a version mismatch between the data model and the worklist interface, especially if updates or changes have been made to either.
  Data Mapping Issues: If the mapping of data from the source system to the target system is not correctly defined, it can lead to inconsistencies.
  
  Solution:
  To resolve the CNV_PE186 error, you can take the following steps:
  
  
  Check Configuration: Review the configuration settings for the data model parameters in the worklist interface. Ensure that all parameters are correctly defined and consistent with the expected values.
  
  
  Validate Data: Ensure that all required data is present and correctly formatted. Check for any missing entries or incorrect data types that could lead to inconsistencies.
  
  
  Review Mapping: If you are using a mapping tool, verify that the data mapping from the source to the target system is correctly set up. Make sure that all fields are correctly mapped and that there are no discrepancies.
  
  
  Consult Documentation: Refer to the SAP documentation related to the specific migration or conversion tool you are using. There may be specific guidelines or troubleshooting steps provided for this error.
  
  
  Check for Updates: Ensure that you are using the latest version of the migration tool and that all relevant patches have been applied. Sometimes, bugs in earlier versions can lead to such errors.
  
  
  Log Analysis: Check the logs for more detailed error messages that can provide additional context about the inconsistency. This can help pinpoint the exact cause of the issue.
  
  
  SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for assistance. They can provide more specific guidance based on your system configuration and the context of the error.
  
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can share their solutions.
  Documentation: Review the official SAP documentation for the data migration tool you are using, as it may contain specific instructions or best practices to avoid such errors.
  
  By following these steps, you should be able to identify and resolve the inconsistency causing the CNV_PE186 error in your SAP environment.