How To Fix CNV_MBT427 - Data from package &1 deleted in all tables.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 427

• Message text: Data from package &1 deleted in all tables.

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 CNV_MBT427 - Data from package &1 deleted in all tables. ?

  The SAP error message CNV_MBT427 indicates that data from a specific package has been deleted in all relevant tables during a data migration or conversion process. This message is typically associated with the SAP S/4HANA Migration Cockpit or other data migration tools used in SAP systems.
  Cause:
  The error can occur due to several reasons, including:
  
  Data Integrity Issues: The data being migrated may not meet the required integrity constraints, leading to its deletion.
  Configuration Errors: Incorrect configuration settings in the migration tool or the source system can result in data being flagged for deletion.
  Duplicate Data: If the migration process detects duplicate entries that violate unique constraints, it may delete the conflicting data.
  Mapping Issues: Incorrect mapping of fields between the source and target systems can lead to data being dropped.
  Pre-existing Data: If the target system already contains data that conflicts with the incoming data, it may lead to deletions.
  
  Solution:
  To resolve the CNV_MBT427 error, consider the following steps:
  
  Review Migration Logs: Check the detailed logs generated during the migration process to identify the specific reasons for the data deletion.
  Data Validation: Ensure that the data in the source system is clean and adheres to the required formats and constraints.
  Adjust Configuration: Review and adjust the configuration settings in the migration tool to ensure they align with the data structure and requirements.
  Check Mapping: Verify that the field mappings between the source and target systems are correct and complete.
  Handle Duplicates: Identify and resolve any duplicate records in the source data before migration.
  Test Migration: Conduct a test migration with a smaller dataset to identify potential issues before performing a full migration.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for additional guidance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific data migration tool you are using.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify the root cause of the CNV_MBT427 error and implement the necessary solutions to prevent data deletion during the migration process.