How To Fix CNV_CMIS_A_20211 - Identical data found in table

CNV_CMIS_A_20211 - Overview

• Message type: E = Error

• Message class: CNV_CMIS_A_20 - Message class for Cross-Client Customizing Comparison (SLO)

• Message number: 211

• Message text: Identical data found in table

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.

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CNV_CMIS_A_20211 - Details

• The SAP error message CNV_CMIS_A_20211 indicates that there is identical data found in a table during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion scenarios.
  
  Cause:
  The error occurs when the data being migrated or converted contains duplicate entries that violate the uniqueness constraints of the target table. This can happen due to:
  
  Duplicate Records: The source data may have duplicate records that are not allowed in the target system.
  Data Quality Issues: Poor data quality in the source system can lead to duplicates.
  Incorrect Mapping: The mapping of fields from the source to the target may not be set up correctly, leading to unintended duplicates.
  
  
  Solution:
  To resolve the CNV_CMIS_A_20211 error, you can follow these steps:
  
  
  Identify Duplicates:
  
  Analyze the source data to identify the duplicate records. You can use SQL queries or data analysis tools to