How To Fix CNV_DMC_SIN300 - Production Resource Data for Plant: &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_SIN - Messages for s-innovations migration

• Message number: 300

• Message text: Production Resource Data for Plant: &1 already exists

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

Within this Migration Object you can only extend new Production Resource
Tool Data. You can't change already existing entries.

How to fix this error?

Delete these records from the template/staging table.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_SIN300 - Production Resource Data for Plant: &1 already exists ?

  The SAP error message CNV_DMC_SIN300 indicates that there is an attempt to create or import Production Resource Data for a specific plant that already exists in the system. This error typically arises during data migration or conversion processes, particularly when using the SAP Data Migration Cockpit or similar tools.
  Cause:
  
  Duplicate Data: The primary cause of this error is that the production resource data (such as production resources/tools, work centers, etc.) for the specified plant already exists in the SAP system.
  Incorrect Data Migration: During the data migration process, if the same data is being imported multiple times without proper checks, it can lead to this error.
  Configuration Issues: There may be issues with the configuration of the migration tool or the data mapping that leads to attempts to create existing records.
  
  Solution:
  
  
  Check Existing Data: Before attempting to import or create new production resource data, check the existing records in the SAP system for the specified plant. You can do this using transaction codes like CR01 (Create Work Center) or CR02 (Change Work Center) to see if the resource already exists.
  
  
  Data Cleansing: If you find that there are duplicates in your source data, you may need to cleanse the data before migration. Remove or consolidate duplicate entries to ensure that only unique records are being imported.
  
  
  Adjust Migration Process: If you are using a migration tool, ensure that the process is set up to handle existing records appropriately. This may involve configuring the tool to update existing records instead of trying to create new ones.
  
  
  Error Handling: Implement error handling in your migration scripts or processes to catch such errors and log them for review. This can help in identifying and resolving issues before they cause migration failures.
  
  
  Consult Documentation: Review the SAP documentation related to the specific migration tool you are using. There may be specific guidelines or best practices for handling existing data.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing production resources, such as CR01, CR02, CR03 (Display Work Center), and others related to production planning.
  SAP Notes: Check for any SAP Notes related to the CNV_DMC_SIN300 error for additional insights or patches that may address the issue.
  Data Migration Cockpit: If you are using the SAP Data Migration Cockpit, refer to its documentation for best practices on handling existing data and configuring the migration process.
  
  By following these steps, you should be able to resolve the CNV_DMC_SIN300 error and successfully manage your production resource data in SAP.