How To Fix CNV_DMC_MC_EXCEPTION015 - The variable &1 already exists

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 015

• Message text: The variable &1 already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC_EXCEPTION015 - The variable &1 already exists ?

  The SAP error message CNV_DMC_MC_EXCEPTION015 indicates that there is an attempt to create a variable that already exists in the system. This error typically occurs during data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools.
  
  Cause:
  The error is caused by the following scenarios:
  
  Duplicate Variable Creation: The migration process is trying to create a variable (e.g., a mapping variable, a transformation variable) that has already been defined in the system.
  
  Configuration Issues: There may be issues in the configuration or setup of the migration project that lead to the same variable being referenced multiple times.
  Data Model Conflicts: Conflicts in the data model where the same variable name is used in different contexts or mappings.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Variables: 
  
  Review the list of existing variables in the migration project to confirm if the variable in question already exists.
  If it