How To Fix CNV_10020352 - &1 &2: Maximum cardinality &3 is less than system cardinality &4

CNV_10020352 - Overview

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 352

• Message text: &1 &2: Maximum cardinality &3 is less than system cardinality &4

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.

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

CNV_10020352 - Details

• The SAP error message CNV_10020352 typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or during system upgrades. This error indicates a mismatch between the expected cardinality of a data structure and the actual cardinality present in the system.
  
  Cause:
  The error message CNV_10020352 is triggered when:
  
  The maximum cardinality defined for a certain data structure (like a table or a field) is less than the actual number of entries or relationships that exist in the system. 
  For example, if a field is defined to allow a maximum of 1 entry (maximum cardinality of 1), but the system has multiple entries (system cardinality of 4), this discrepancy will lead to the error.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Data Model: Check the data model or structure definitions in your SAP system. Ensure that the maximum cardinality settings are appropriate for the data being processed.
  
  
  Adjust