How To Fix CONV221 - Error while starting command: &1&2&3&4

SAP Error Message - Details

• Message type: E = Error

• Message class: CONV - Messages in Connection with the Converter

• Message number: 221

• Message text: Error while starting command: &1&2&3&4

What causes this issue?

An error occured while calling the the command &V1&&V2&&V3&&V4& that
should have started a program on the conversion server.

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

Verify that the program named can be started on the covnersion server.
Especially ensure that the path to the program is set before calling
ConvUtil.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CONV221 - Error while starting command: &1&2&3&4 ?

  The SAP error message CONV221 typically indicates that there is an issue with the conversion of data types or formats when executing a command in the SAP system. This error can occur in various contexts, such as during data uploads, report executions, or when running specific transactions.
  Causes of CONV221 Error
  
  
  Data Type Mismatch: The error often arises when there is a mismatch between the expected data type and the actual data being processed. For example, trying to convert a string to a number when the string contains non-numeric characters.
  
  
  Invalid Input Data: If the input data contains invalid characters or formats that cannot be processed, this can trigger the error.
  
  
  Configuration Issues: Incorrect configuration settings in the SAP system or in the specific transaction can lead to this error.
  
  
  Program Logic Errors: There may be bugs or logical errors in the ABAP code that is being executed, leading to unexpected data handling.
  
  
  Database Issues: Problems with the underlying database, such as corrupted data or issues with data integrity, can also cause this error.
  
  
  Solutions to CONV221 Error
  
  
  Check Input Data: Review the data being processed to ensure it matches the expected format and data types. Look for any invalid characters or formats.
  
  
  Debugging: If you have access to the ABAP code, use the debugger to step through the code and identify where the conversion is failing. This can help pinpoint the exact cause of the error.
  
  
  Data Validation: Implement data validation checks before processing to ensure that the data conforms to the expected formats.
  
  
  Review Configuration: Check the configuration settings related to the transaction or program that is generating the error. Ensure that all settings are correct and aligned with the expected data types.
  
  
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  Related Information
  
  Transaction Codes: Depending on where the error occurs, you may want to check specific transaction codes related to the process you are executing.
  ABAP Development: If you are a developer, reviewing the ABAP code for proper data handling and conversion logic is crucial.
  System Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify and resolve the CONV221 error in your SAP system.