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Unknown column 'tables.normalize_columns' in 'field list' after migrating from v2.1.0 to v4 #30546

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TheShubhendra asked this question in Q&A / Help
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Hey there, @TheShubhendra! I'm here to assist you with any bugs, questions, or contributions you may have. Let's work together to resolve your issue!

To fix the "Unknown column 'tables.normalize_columns' in 'field list'" error, ensure that the database migration adding the normalize_columns column has been applied. Run the following command to apply all pending migrations:

superset db upgrade

This should apply the migration script 9f4a086c2676_add_normalize_columns_to_sqla_model.py, which adds the normalize_columns column to the tables table [1].

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