How To Fix CNV_20800238 - Temporary duplicates and Scenario determination check:

CNV_20800238 - Overview

• Message type: E = Error

• Message class: CNV_20800 - Message class for CNV_20800

• Message number: 238

• Message text: Temporary duplicates and Scenario determination check:

What causes this issue?

If one customer number is changing to another one which is already
existing in the mapping as an old customer number.
For example: If A >B and B >C maintained in mapping
If you want to convert customer number A->B and B->C and A & B
customer numbers are already existing in the table KNA1, then you can
see a message specifying the Temporary duplicates .

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

System Response

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_20800238 - Details

• The SAP error message CNV_20800238, which refers to "Temporary duplicates and Scenario determination check," typically arises during data migration or conversion processes, particularly when using SAP's data migration tools like the SAP S/4HANA Migration Cockpit or other conversion tools.
  
  Cause:
  
  Temporary Duplicates: This error indicates that the system has detected temporary duplicates in the data being processed. This can happen if the same data record is being processed multiple times or if there are inconsistencies in the data that lead to duplicate entries.
  Scenario Determination Check: The error may also relate to the system's inability to determine the correct scenario for processing the data due to these duplicates. This can occur if the data does not meet the expected criteria for a specific migration scenario.
  
  
  Solution:
  
  
  Data Cleansing: Review the data being migrated for duplicates. This may involve:
  
  Running queries to identify duplicate records.
  Implementing data cleansing processes to remove or consolidate duplicates before migration.
  
  
  
  Check Migration Settings: