Hello @Lingaraja_Tanuja,
Follow these steps.
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Check the Required Files: Ensure that all required files are uploaded. You may need to upload multiple CSV files for the process to work correctly.
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Verify Data Schema: Compare your CSV file structure with the expected schema in the ‘Input table documentation’ (linked in the UI).
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Re-upload missing files: If the missing tables are in separate files, upload them before proceeding.
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Check Column Names: Ensure that the column names in your CSV files exactly match the expected schema.