How To Fix CNV_20320_CHECK007 - Activity Type &1: Field &2 needs to be unique in period &3 (fisc.yr. &4)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 007

• Message text: Activity Type &1: Field &2 needs to be unique in period &3 (fisc.yr. &4)

Self-Explanatory Message

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• What is the cause and solution for SAP error message CNV_20320_CHECK007 - Activity Type &1: Field &2 needs to be unique in period &3 (fisc.yr. &4) ?

  The SAP error message CNV_20320_CHECK007 indicates that there is a problem with the uniqueness of an activity type in a specific period within a fiscal year. This error typically arises during data migration or conversion processes, particularly when using SAP's data migration tools or during the execution of specific programs related to the conversion of data.
  Cause:
  The error occurs when the system detects that the combination of the specified activity type and field is not unique for the given period and fiscal year. This can happen due to:
  
  Duplicate Entries: There are multiple entries for the same activity type and field within the specified period.
  Data Migration Issues: During data migration, if the source data contains duplicates or if the transformation rules are not correctly applied, it can lead to this error.
  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:
  
  
  Check for Duplicates: Review the data for the specified activity type and field in the given period and fiscal year. Look for any duplicate entries that may exist.
  
  Use transaction codes like SE16 or SE11 to query the relevant tables and identify duplicates.
  
  
  
  Data Cleansing: If duplicates are found, you will need to clean the data. This may involve:
  
  Deleting or merging duplicate entries.
  Adjusting the data in the source system before migration.
  
  
  
  Review Migration Logic: If you are using a migration tool, review the logic or mapping used to ensure that it correctly handles uniqueness constraints.
  
  Ensure that the transformation rules are set up to prevent duplicates from being created during the migration process.
  
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool or process you are using. There may be specific guidelines or best practices for handling this type of error.
  
  
  Testing: After making the necessary adjustments, re-run the migration or conversion process to ensure that the error is resolved.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser), SE11 (Data Dictionary), and others that may help in analyzing the data.
  SAP Notes: Check for any SAP Notes related to the CNV_20320_CHECK007 error for additional insights or patches that may address the issue.
  Data Migration Tools: If you are using tools like SAP S/4HANA Migration Cockpit or SAP Data Services, review their documentation for specific error handling procedures.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.