How To Fix CNV_DCII_COMM008 - &1 of &2 differs from &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DCII_COMM - messages of objects of dev class CNV_DCII_COMM

• Message number: 008

• Message text: &1 of &2 differs from &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DCII_COMM008 - &1 of &2 differs from &3 ?

  The SAP error message CNV_DCII_COMM008 typically occurs during data migration or conversion processes, particularly when using the SAP Data Conversion and Migration tools. This error indicates that there is a discrepancy between the expected and actual values in the data being processed.
  Cause:
  The error message CNV_DCII_COMM008 is triggered when the value of a field in the source data (denoted as &2) does not match the expected value (denoted as &3) in the target system or during the conversion process. This can happen due to various reasons, such as:
  
  Data Mismatch: The source data may contain values that are not compatible with the target system's data structure or business rules.
  Configuration Issues: There may be configuration settings in the target system that expect certain values or formats that are not being met by the source data.
  Data Quality Issues: The source data may have inconsistencies, duplicates, or invalid entries that lead to this error.
  Mapping Errors: Incorrect mapping of fields between the source and target systems can lead to discrepancies in expected values.
  
  Solution:
  To resolve the CNV_DCII_COMM008 error, you can follow these steps:
  
  
  Review the Error Message: Check the specific values indicated in the error message (i.e., &1, &2, &3) to understand which field is causing the issue and what the expected versus actual values are.
  
  
  Data Validation: Validate the source data to ensure that it meets the requirements of the target system. Look for any inconsistencies or invalid entries.
  
  
  Check Configuration: Review the configuration settings in the target system to ensure they align with the source data. This may involve checking field definitions, data types, and any business rules that apply.
  
  
  Mapping Review: If you are using a mapping tool, ensure that the mapping between the source and target fields is correctly defined. Adjust the mapping if necessary.
  
  
  Data Cleansing: If the source data contains errors, perform data cleansing to correct any issues before attempting the migration again.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for any additional guidance or known issues.
  
  
  Testing: After making the necessary adjustments, conduct a test migration with a smaller dataset to verify that the issue has been resolved before proceeding with the full migration.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific notes related to the CNV_DCII_COMM008 error, as they may provide additional insights or patches.
  Migration Tools: Familiarize yourself with the specific SAP migration tools you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) as they may have unique configurations or requirements.
  Community Forums: Engage with SAP community forums or support channels for additional help and shared experiences from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the CNV_DCII_COMM008 error and implement a solution to resolve it.