How To Fix CNV_20320_CHECK006 - Activity Type &1: Field &2 needs to be unique in fiscal year &3.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20320_CHECK - Messages for check functions (Activity Types merge)

• Message number: 006

• Message text: Activity Type &1: Field &2 needs to be unique in fiscal year &3.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20320_CHECK006 - Activity Type &1: Field &2 needs to be unique in fiscal year &3. ?

  The SAP error message CNV_20320_CHECK006 indicates that there is a problem with the uniqueness of a specific field related to an activity type in a given fiscal year. This error typically arises during data migration or conversion processes, particularly when using SAP's Conversion Tools or during the implementation of SAP S/4HANA.
  Cause:
  The error occurs when the system detects that the specified field (denoted as &2 in the error message) for the activity type (denoted as &1) is not unique within the specified fiscal year (denoted as &3). This could happen due to:
  
  Duplicate Entries: There are multiple entries in the database for the same activity type and fiscal year that have the same value in the specified field.
  Data Migration Issues: During data migration, if the source data contains duplicates or if the transformation rules do not enforce uniqueness, this error can occur.
  Configuration Errors: Incorrect configuration settings in the system that allow for non-unique entries.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify Duplicates:
  
  Use SQL queries or SAP reports to identify the duplicate entries for the specified activity type and fiscal year. Check the values in the field that needs to be unique.
  
  
  
  Data Cleansing:
  
  If duplicates are found, you will need to determine which entries are valid and which should be removed or consolidated. This may involve discussions with business stakeholders to understand the data.
  
  
  
  Adjust Data Migration Process:
  
  If this error arises during a data migration process, review the data transformation rules to ensure that they enforce uniqueness for the specified field. Modify the ETL (Extract, Transform, Load) process as necessary.
  
  
  
  Configuration Review:
  
  Check the configuration settings related to the activity type and the fiscal year in the SAP system. Ensure that the settings are correct and that they enforce the required uniqueness.
  
  
  
  Testing:
  
  After making the necessary changes, re-run the migration or data load process to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE16 or SE11 to view the underlying database tables and identify duplicates.
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  Documentation: Review SAP documentation on data migration and conversion processes to ensure compliance with best practices.
  
  By following these steps, you should be able to resolve the CNV_20320_CHECK006 error and ensure that the data integrity is maintained in your SAP system.