How To Fix CNV_MBT_46440 - Start of the block &1 is not possible

CNV_MBT_46440 - Overview

• Message type: E = Error

• Message class: CNV_MBT_46 - PCL message class

• Message number: 440

• Message text: Start of the block &1 is not possible

What causes this issue?

An activity or set of activities in a mass starter that is predecessor
to this block or mass starter is unfinished

System Response

You will not be allowed to start the execution of the block until the
predecessors finishes

How to fix this error?

Find out the predecessors to this block and check if they are complete.
If you need further help, contact SAP.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

CNV_MBT_46440 - Details

• The SAP error message CNV_MBT_46440, which states "Start of the block &1 is not possible," typically occurs during data migration or conversion processes, particularly when using the SAP Migration Tool (such as the SAP S/4HANA Migration Cockpit or other data migration tools). This error indicates that there is an issue with the data block that is being processed.
  Causes:
  
  Data Integrity Issues: The data being processed may have integrity issues, such as missing or inconsistent records that prevent the block from being started.
  Configuration Errors: There may be configuration issues in the migration settings or parameters that are not correctly set up.
  Dependencies: The block may depend on other blocks or data that have not been processed yet, leading to a failure in starting the current block.
  Technical Limitations: There may be technical limitations or constraints in the system that prevent the block from being processed.
  
  Solutions:
  
  Check Data Consistency: Review the data being migrated for any