How To Fix CNV_PE538 - Parameter link type &1 is not supported for tables and structures

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 538

• Message text: Parameter link type &1 is not supported for tables and structures

What causes this issue?

Only one link type (<ZK>Structure</>) is allowed for structural
parameters.

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_PE538 - Parameter link type &1 is not supported for tables and structures ?

  The SAP error message CNV_PE538 indicates that there is an issue with the parameter link type specified for certain tables or structures during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
  Cause:
  The error occurs when the specified link type for a table or structure is not supported. This can happen due to several reasons:
  
  Incorrect Link Type: The link type provided in the configuration does not match the expected types for the specific table or structure.
  Unsupported Structures: The table or structure you are trying to link may not support the specified link type due to its design or the nature of the data.
  Configuration Issues: There may be a misconfiguration in the migration settings or parameters that leads to this error.
  
  Solution:
  To resolve the CNV_PE538 error, you can take the following steps:
  
  
  Check Link Type: Review the link type specified in your migration configuration. Ensure that it is valid for the tables or structures you are working with. Refer to the documentation for the specific migration tool you are using to confirm the supported link types.
  
  
  Review Table/Structure Compatibility: Verify that the tables or structures you are trying to link are compatible with the specified link type. You may need to consult SAP documentation or support for details on which link types are supported for specific tables.
  
  
  Adjust Configuration: If you find that the link type is incorrect or unsupported, adjust your migration configuration accordingly. Change the link type to one that is supported for the tables or structures involved.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes or updates that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  
  Testing: After making changes, run a test migration to ensure that the error is resolved and that the data is being processed correctly.
  
  
  Seek Support: If you are unable to resolve the issue on your own, consider reaching out to SAP support or consulting with an SAP expert who can provide guidance based on your specific scenario.
  
  
  Related Information:
  
  SAP Documentation: Review the official SAP documentation for the migration tool you are using, as it often contains detailed information about supported link types and configurations.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  SAP Notes: Regularly check SAP Notes for updates or patches that may address this error or provide additional context.
  
  By following these steps, you should be able to identify the cause of the CNV_PE538 error and implement a solution to resolve it.