How To Fix CNV_10020343 - Suggested and maintained maximum cardinality differ

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 343

• Message text: Suggested and maintained maximum cardinality differ

What causes this issue?

A maximum cardinality of &V3& has been suggested for &V1& &V2&. However
a maximum cardinality of &V4& has been maintained.

How to fix this error?

Check if the maximum cardinality has been maintained correctly.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020343 - Suggested and maintained maximum cardinality differ ?

  The SAP error message CNV_10020343 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates a mismatch between the suggested maximum cardinality and the maintained maximum cardinality for a specific data structure or entity.
  
  Cause:
  The error arises when the system detects that the maximum cardinality defined in the data model (the number of instances of a particular entity that can be associated with another entity) does not match the cardinality that is suggested or expected by the migration tool. This can happen due to:
  
  Data Model Changes: Changes in the underlying data model that have not been reflected in the migration settings.
  
  Configuration Issues: Incorrect configuration settings in the migration cockpit or data mapping.
  Data Quality Issues: The data being migrated may not conform to the expected structure or relationships defined in the target system.
  
  
  Solution:
  To resolve this error, you can