How To Fix CNV_20000049 - Program must not be started because its successor has run already

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20000 - Messages for fiscal year change

• Message number: 049

• Message text: Program must not be started because its successor has run already

Successor activity "<ZK>Check conversion for dependence on
organizational units</>" has been executed therefore this activity
cannot be executed.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20000049 - Program must not be started because its successor has run already ?

  The SAP error message CNV_20000049 indicates that a specific program or process cannot be started because its successor has already been executed. This is typically encountered in the context of data migration or conversion processes, particularly when using SAP's Conversion Tools or Migration Cockpit.
  
  Cause:
  The error occurs when:
  
  A prerequisite program or step in a migration or conversion process has already been completed, and the system is designed to prevent the re-execution of certain steps that should only be run in a specific sequence.
  The program you are trying to run is dependent on the successful completion of a previous step, which has already been executed.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Execution History: Review the logs or execution history of the migration or conversion process to confirm which steps have already been executed. This can usually be done through transaction codes like SLG1 (Application Log) or specific logs related