How To Fix CNV_10020284 - System cardinality was reset

CNV_10020284 - Overview

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 284

• Message text: System cardinality was reset

Self-Explanatory Message

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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.

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CNV_10020284 - Details

• The SAP error message CNV_10020284: System cardinality was reset typically occurs during data migration or system conversion processes, particularly when using SAP's Conversion and Migration tools. This error indicates that the cardinality settings for a particular data model or structure have been reset, which can lead to issues in data consistency or integrity.
  
  Cause:
  
  Data Model Changes: The error may arise if there have been changes to the data model that affect how data is related or structured.
  
  Configuration Issues: Incorrect configuration settings in the migration tools or the source/target systems can lead to this error.
  Inconsistent Data: If the data being migrated does not conform to the expected structure or relationships, it can trigger this error.
  Version Mismatch: Using incompatible versions of SAP tools or components can also lead to cardinality issues.
  
  
  Solution:
  
  Check Configuration: Review the configuration settings in the migration tool to ensure they are set correctly for the data model you are working