How To Fix CNV_20310_CHECK012 - Cost Center &1: Field &2 needs to be unique in period &3 (fisc. year &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20310_CHECK -

• Message number: 012

• Message text: Cost Center &1: Field &2 needs to be unique in period &3 (fisc. year &4)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20310_CHECK012 - Cost Center &1: Field &2 needs to be unique in period &3 (fisc. year &4) ?

  The SAP error message CNV_20310_CHECK012 indicates that there is a uniqueness constraint violation for a cost center in a specific period of a fiscal year. This error typically arises during data migration or data upload processes, particularly when using SAP's Migration Cockpit or other data transfer tools.
  Cause:
  The error occurs when the system detects that the specified field (indicated by &2) for the cost center (indicated by &1) is not unique for the given period (indicated by &3) in the specified fiscal year (indicated by &4). This could happen due to:
  
  Duplicate Entries: There are multiple entries for the same cost center in the same period that violate the uniqueness requirement.
  Incorrect Data Preparation: The data being uploaded may have been incorrectly prepared, leading to duplicates.
  Data Migration Issues: During data migration, if the source data contains duplicates or if the transformation logic does not handle duplicates correctly, this error can occur.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify Duplicates: Check the data for the specified cost center and period to identify any duplicate entries. You can use SQL queries or data analysis tools to find duplicates in your dataset.
  
  
  Correct Data: Once duplicates are identified, you need to decide how to handle them:
  
  Remove Duplicates: If duplicates are not needed, remove them from the dataset.
  Consolidate Data: If the duplicates contain different values, you may need to consolidate the data into a single entry that reflects the correct information.
  
  
  
  Review Data Preparation Process: Ensure that the data preparation process is correctly set up to avoid duplicates. This may involve reviewing the extraction, transformation, and loading (ETL) processes.
  
  
  Test the Upload: After making corrections, test the data upload again to ensure that the error does not occur.
  
  
  Consult Documentation: If you are using a specific migration tool or method, consult the relevant SAP documentation for any additional requirements or constraints related to cost center data.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to this error message.
  Transaction Codes: Use transaction codes like SE16 or SE11 to view the relevant database tables and analyze the data.
  Data Migration Tools: Familiarize yourself with the tools you are using for data migration, such as the SAP S/4HANA Migration Cockpit, to understand their specific requirements and constraints.
  
  By following these steps, you should be able to resolve the CNV_20310_CHECK012 error and successfully upload your cost center data.