How To Fix CNV503 - Program & started on & at & by user &

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 503

• Message text: Program & started on & at & by user &

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV503 - Program & started on & at & by user & ?

  The SAP error message CNV503 typically relates to issues encountered during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools. The message indicates that a program was started but encountered an issue, which could be due to various reasons.
  Possible Causes:
  
  Authorization Issues: The user who initiated the program may not have the necessary authorizations to execute the program or access certain data.
  Data Consistency Issues: There may be inconsistencies in the data being processed, which can lead to errors during migration.
  Configuration Errors: Incorrect configuration settings in the migration tool or the source/target systems can cause the program to fail.
  System Performance: Resource limitations (CPU, memory, etc.) on the SAP system can lead to timeouts or failures in executing the program.
  Program Logic Errors: There may be bugs or logical errors in the custom program or standard program being executed.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to run the program. You can do this by reviewing the user's roles and authorizations in the SAP system.
  Review Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide insights into what went wrong.
  Data Validation: Validate the data being migrated to ensure there are no inconsistencies or errors that could cause the program to fail.
  Configuration Review: Review the configuration settings of the migration tool to ensure they are set up correctly.
  Performance Monitoring: Monitor system performance to ensure that there are sufficient resources available for the program to run successfully.
  Debugging: If you have access to the program code, consider debugging the program to identify any logical errors or issues in the code.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SLG1 (Application Log), ST22 (Dump Analysis), and SM21 (System Log) to gather more information about the error.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address known issues related to the CNV503 error.
  Documentation: Review the documentation for the specific data migration tool you are using, as it may provide additional troubleshooting steps or best practices.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support or your internal SAP Basis team for further assistance.