How To Fix CNV_PE_UI077 - Possible data loss

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_UI -

• Message number: 077

• Message text: Possible data loss

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_UI077 - Possible data loss ?

  The SAP error message CNV_PE_UI077, which indicates "Possible data loss," typically arises during data migration or conversion processes, particularly when using SAP's data migration tools. This error suggests that there may be inconsistencies or potential issues with the data being processed, which could lead to incomplete or incorrect data being transferred to the target system.
  Causes:
  
  Data Inconsistencies: The source data may contain inconsistencies, such as missing mandatory fields, incorrect data types, or values that do not meet the target system's validation rules.
  Mapping Issues: There may be problems with the mapping of fields between the source and target systems, leading to data that cannot be accurately transferred.
  Configuration Errors: Incorrect configuration settings in the migration tool or the target system can lead to data loss warnings.
  Data Volume: Large volumes of data being processed at once may lead to performance issues, causing timeouts or incomplete data transfers.
  
  Solutions:
  
  Data Validation: Before migration, validate the source data to ensure it meets the requirements of the target system. This includes checking for mandatory fields, data types, and value ranges.
  Review Mapping: Check the mapping configuration to ensure that all fields are correctly mapped from the source to the target system. Adjust mappings as necessary to ensure compatibility.
  Configuration Review: Review the configuration settings of the migration tool and the target system to ensure they are set up correctly for the data being processed.
  Incremental Migration: If dealing with large volumes of data, consider breaking the migration into smaller batches to reduce the risk of timeouts and improve manageability.
  Error Logs: Check the error logs generated during the migration process for more specific details about the data loss warning. This can provide insights into which records or fields are causing issues.
  Testing: Conduct thorough testing in a non-production environment to identify and resolve potential issues before performing the actual migration.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the CNV_PE_UI077 error for any specific patches or updates that may address known issues.
  Documentation: Refer to the official SAP documentation for the data migration tool you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) for best practices and troubleshooting tips.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  By addressing the underlying causes and following the suggested solutions, you can mitigate the risk of data loss during the migration process and ensure a smoother transition to the target system.