How To Fix CNV_20000083 - Unknown &1= &2 in table &3 (&4); create an OSS message (CA-LT-CNV)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20000 - Messages for fiscal year change

• Message number: 083

• Message text: Unknown &1= &2 in table &3 (&4); create an OSS message (CA-LT-CNV)

What causes this issue?

The given table contains a data type that has not yet been fully
analyzed by SLO development.

System Response

These entries were not converted.
It may not have been necessary to convert them after all because they
may in fact not contain a fiscal year.

How to fix this error?

Create an OSS message under component CA-LT-CNV, and list ALL specified
data types. SLO development will then let you know if the conversion
results are correct in spite of the error message, and the required
additional development work will be triggered.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20000083 - Unknown &1= &2 in table &3 (&4); create an OSS message (CA-LT-CNV) ?

  The SAP error message CNV_20000083 typically indicates an issue related to data conversion or migration processes, particularly in the context of SAP's Landscape Transformation (LT) tools. This error message suggests that there is an unknown issue with specific parameters in a table during a conversion or migration operation.
  Cause:
  The error message CNV_20000083 can be caused by several factors, including:
  
  Data Inconsistencies: There may be inconsistencies or unexpected values in the data being processed, which the conversion program does not recognize.
  Configuration Issues: Incorrect configuration settings in the conversion or migration tool can lead to this error.
  Missing Data: Required data might be missing from the source system or the target system.
  Custom Code: If there are custom enhancements or modifications in the system, they might not be compatible with the standard conversion processes.
  Version Mismatch: The version of the tools or components being used may not be compatible with the data or the SAP system version.
  
  Solution:
  To resolve the CNV_20000083 error, you can follow these steps:
  
  Check the Parameters: Review the parameters indicated in the error message (the values for &1, &2, &3, and &4) to understand what specific data or configuration is causing the issue.
  Data Validation: Validate the data in the source and target systems to ensure there are no inconsistencies or missing entries.
  Review Configuration: Check the configuration settings of the conversion tool to ensure they are set up correctly.
  Consult Documentation: Refer to SAP documentation or notes related to the specific conversion or migration process you are using.
  Debugging: If you have access to the development environment, consider debugging the conversion program to identify the exact point of failure.
  Create OSS Message: If the issue persists and you cannot resolve it, create an OSS (Online Service System) message to SAP support. Provide them with detailed information about the error, including the parameters and any relevant logs.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that might address this specific error or provide guidance on similar issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  Documentation: Review the official SAP documentation for the Landscape Transformation tools to understand the expected data formats and configurations.
  
  By following these steps, you should be able to diagnose and potentially resolve the CNV_20000083 error in your SAP system. If you need further assistance, reaching out to SAP support with a detailed OSS message is recommended.