How To Fix CNV_DMC_MC_EXCEPTION143 - Simulation not possible; generate the migration object first

CNV_DMC_MC_EXCEPTION143 - Overview

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 143

• Message text: Simulation not possible; generate the migration object first

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_DMC_MC_EXCEPTION143 - Simulation not possible; generate the migration object first ?

  The SAP error message CNV_DMC_MC_EXCEPTION143 with the description "Simulation not possible; generate the migration object first" typically occurs during the data migration process in SAP, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that the system is unable to perform a simulation of the migration process because the necessary migration object has not been generated.
  
  Cause:
  
  Migration Object Not Generated: The primary cause of this error is that the migration object required for the simulation has not been created or generated. This is a prerequisite step before you can run simulations or actual data migrations.
  Incorrect Configuration: There may be issues with the configuration settings or parameters that prevent the migration object from being generated.
  Missing Authorization: The user may not have the necessary authorizations to generate the migration object.
  
  
  Solution:
  
  
  Generate the Migration Object:
  
  Navigate to the relevant transaction or tool in SAP where you can generate the migration