How To Fix CNV_CMIS_G066 - &1 system is unicode system

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CMIS_G - CMIS: general messages

• Message number: 066

• Message text: &1 system is unicode system

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_G066 - &1 system is unicode system ?

  The SAP error message CNV_CMIS_G066 typically indicates an issue related to the conversion of data in a Unicode system during a data migration or conversion process. This error is often encountered in the context of the SAP Conversion Management Information System (CMIS) or during the use of tools like the SAP S/4HANA Migration Cockpit.
  Cause:
  The error message CNV_CMIS_G066 can occur due to several reasons, including:
  
  Data Format Issues: The data being processed may not be in the expected format or may contain characters that are not compatible with Unicode.
  Mapping Errors: There may be issues with the mapping of fields between the source and target systems, especially if the source system is non-Unicode and the target is Unicode.
  Configuration Issues: Incorrect configuration settings in the migration tools or in the source/target systems can lead to this error.
  Data Integrity Issues: There may be inconsistencies or corruption in the data being migrated.
  
  Solution:
  To resolve the CNV_CMIS_G066 error, you can take the following steps:
  
  
  Check Data Format: Ensure that the data being migrated is in the correct format and does not contain any invalid characters. You may need to clean or preprocess the data before migration.
  
  
  Review Mapping: Verify the mapping of fields between the source and target systems. Ensure that all fields are correctly mapped and that data types are compatible.
  
  
  Configuration Review: Check the configuration settings in the migration tools and ensure that they are set up correctly for a Unicode system. This includes checking any relevant parameters or options that may affect data conversion.
  
  
  Data Validation: Perform data validation checks to ensure that the data integrity is maintained. Look for any inconsistencies or errors in the source data that may cause issues during migration.
  
  
  Consult SAP Notes: Search for relevant SAP Notes or Knowledge Base Articles (KBAs) that may provide specific guidance or patches related to this error. SAP frequently updates its documentation and provides solutions for known issues.
  
  
  Log Analysis: Review the logs generated during the migration process for more detailed error messages or warnings that can provide additional context for the issue.
  
  
  Testing: If possible, conduct a test migration with a smaller dataset to identify and resolve issues before performing a full migration.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the specific migration tool you are using (e.g., SAP S/4HANA Migration Cockpit) for detailed instructions and troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to seek advice from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you have a support contract.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.