How To Fix CNV_MBT487 - Error when reading the previous message

CNV_MBT487 - Overview

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 487

• Message text: Error when reading the previous message

What causes this issue?

Error in function module 'CNV_MBT_MSG_READ_MESSAGE'.

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?

Contact SAP.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_MBT487 - Details

• The SAP error message CNV_MBT487 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is an issue with reading or processing a previous message in the migration log.
  
  Cause:
  
  Data Inconsistency: The error may arise due to inconsistencies in the data being migrated, such as missing or incorrect entries.
  
  Configuration Issues: There may be configuration problems in the migration settings or parameters that are not set correctly.
  Previous Errors: If there were errors in previous steps of the migration process, they could lead to this error when trying to read the log.
  Authorization Issues: Lack of proper authorizations to access certain data or logs can also trigger this error.
  
  
  Solution:
  
  Check Migration Logs: Review the migration logs for any previous error messages that could provide more context. Look for any specific entries that indicate what went wrong.
  Data Validation: Ensure that