How To Fix CNV_10020302 - Intervals have already been created for &1 &2

CNV_10020302 - Overview

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 302

• Message text: Intervals have already been created for &1 &2

Self-Explanatory Message

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CNV_10020302 - Details

• The SAP error message CNV_10020302 indicates that intervals have already been created for the specified object (denoted by &1 and &2). This error typically arises during data migration or conversion processes, particularly when using SAP's data migration tools.
  
  Cause:
  The error occurs when the system detects that there are already existing intervals for the specified object. This can happen in scenarios such as:
  
  Attempting to create new intervals for a data object that has already been processed.
  Running a migration or conversion program that tries to create intervals without checking if they already exist.
  A previous migration process was interrupted or not completed, leaving behind existing intervals.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Intervals: 
  
  Use transaction codes like SE16 or SE11 to check the relevant tables for existing intervals. The specific table will depend on the context of the migration (e.g., CNV_10020_INTERVALS or similar).
  Identify the intervals that have already been created