How To Fix CNV_DMC_MD_EXTRACTOR020 - According to meta data the system expects at most &1 cell(s)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MD_EXTRACTOR - meta data extractor message class

• Message number: 020

• Message text: According to meta data the system expects at most &1 cell(s)

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_DMC_MD_EXTRACTOR020 - According to meta data the system expects at most &1 cell(s) ?

  The SAP error message CNV_DMC_MD_EXTRACTOR020 typically occurs during data migration processes, particularly when using the SAP Data Migration Cockpit (DMC). This error indicates that the system is expecting a certain number of cells (or fields) in the metadata, but it has encountered more than the expected number.
  Cause:
  The error is usually caused by one of the following issues:
  
  Mismatch in Metadata: The metadata defined for the data extraction does not match the actual data structure being processed. This can happen if the source data has more fields than what is defined in the target structure.
  Incorrect Configuration: The configuration settings for the data extraction might be incorrect, leading to an expectation of fewer fields than are actually present in the data.
  Data Quality Issues: The source data might contain unexpected or additional fields that are not accounted for in the metadata.
  
  Solution:
  To resolve the CNV_DMC_MD_EXTRACTOR020 error, you can take the following steps:
  
  
  Check Metadata Configuration:
  
  Review the metadata configuration in the Data Migration Cockpit to ensure that it accurately reflects the structure of the source data.
  Make sure that the number of fields defined in the metadata matches the actual number of fields in the source data.
  
  
  
  Adjust Data Extraction Settings:
  
  If the metadata is correct, check the data extraction settings to ensure they are configured to handle the expected number of fields.
  Modify the extraction logic if necessary to accommodate the additional fields.
  
  
  
  Data Cleansing:
  
  If the source data contains unexpected fields, consider cleansing the data to remove or consolidate these fields before attempting the migration again.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the Data Migration Cockpit for any specific guidelines or limitations regarding metadata and data extraction.
  
  
  
  Testing:
  
  After making adjustments, perform a test extraction to verify that the issue has been resolved.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Logs and Traces: Review the logs and traces generated during the data migration process for more detailed error messages that can provide further insights into the problem.
  
  By following these steps, you should be able to identify the root cause of the CNV_DMC_MD_EXTRACTOR020 error and implement a suitable solution.