How To Fix CNV_DMC_MD_EXTRACTOR031 - Parameter type &3 is not supported; see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MD_EXTRACTOR - meta data extractor message class

• Message number: 031

• Message text: Parameter type &3 is not supported; see long text

What causes this issue?

Function module &V1& uses the parameter &V2&. The parameter type for
this parameter is &V3&. This parameter type is not an ABAP Dictionary
type. Only ABAP Dictionary types are supported.

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?

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_DMC_MD_EXTRACTOR031 - Parameter type &3 is not supported; see long text ?

  The SAP error message CNV_DMC_MD_EXTRACTOR031 indicates that there is an issue with a parameter type that is not supported in the context of the Data Migration Cockpit (DMC) or the Data Migration process. This error typically arises during the extraction or transformation of data when the system encounters a parameter type that it does not recognize or cannot process.
  Cause:
  
  Unsupported Parameter Type: The error is triggered when the system encounters a parameter type that is not defined or supported in the extraction logic.
  Configuration Issues: There may be misconfigurations in the data extraction settings or mappings that lead to unsupported parameter types being referenced.
  Version Compatibility: The version of the DMC or the underlying SAP system may not support certain parameter types, especially if there are custom developments or enhancements involved.
  
  Solution:
  
  Check Parameter Types: Review the parameter types being used in the extraction process. Ensure that all parameter types are supported by the DMC.
  Review Configuration: Go through the configuration settings in the Data Migration Cockpit. Ensure that all mappings and settings are correctly defined and that there are no references to unsupported parameter types.
  Update DMC: If you are using an older version of the Data Migration Cockpit, consider updating to the latest version, as newer versions may have added support for additional parameter types.
  Consult Documentation: Refer to the official SAP documentation for the Data Migration Cockpit to understand the supported parameter types and any limitations.
  Debugging: If you have access to the development environment, you can debug the extraction process to identify where the unsupported parameter type is being referenced.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. Provide them with the error details and any relevant configuration information.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on supported parameter types.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  Documentation: Review the SAP Help Portal for detailed information on the Data Migration Cockpit and its configuration.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.