How To Fix CNV505 - Error(s) that occurred exceed(s) tolerance limit

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 505

• Message text: Error(s) that occurred exceed(s) tolerance limit

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV505 - Error(s) that occurred exceed(s) tolerance limit ?

  The SAP error message CNV505 typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or during the execution of the SAP S/4HANA Migration Cockpit. This error indicates that the number of errors encountered during the migration process has exceeded a predefined tolerance limit.
  Cause:
  
  Excessive Errors: The primary cause of this error is that the number of errors (e.g., data inconsistencies, validation failures) encountered during the migration process exceeds the acceptable threshold set in the system.
  Data Quality Issues: Poor data quality in the source system can lead to numerous errors during the migration process. This includes missing mandatory fields, incorrect data formats, or data that does not meet business rules.
  Configuration Issues: Incorrect configuration of the migration settings or parameters can also lead to this error.
  Mapping Issues: Problems with the mapping of fields between the source and target systems can result in data that cannot be processed correctly.
  
  Solution:
  
  Review Error Logs: Check the detailed error logs to identify the specific issues causing the errors. This can provide insights into what data is causing the problems.
  Data Cleansing: Before migration, perform data cleansing on the source data to resolve inconsistencies, fill in missing values, and ensure that the data adheres to the required formats and business rules.
  Adjust Tolerance Limits: If appropriate, consider adjusting the tolerance limits in the migration settings. However, this should be done with caution, as it may mask underlying data quality issues.
  Test Migration: Conduct a test migration with a smaller dataset to identify potential issues before performing the full migration. This can help in fine-tuning the process and addressing errors early.
  Consult Documentation: Refer to SAP documentation or guides related to the specific migration tool you are using for additional troubleshooting steps and best practices.
  Engage SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance. They can provide guidance based on the specific context of your migration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its functionalities, as it provides tools and features to assist with data migration.
  Data Migration Best Practices: Review best practices for data migration to ensure a smooth transition and minimize errors.
  
  By addressing the root causes and following the suggested solutions, you can effectively resolve the CNV505 error and successfully complete your data migration process.