`django.core.exceptions.ValidationError` is a built-in exception class in Python's Django web framework. It is used to handle validation errors that occur during data validation processes. This exception is raised when there are issues with the input data that do not meet the required validation criteria. It allows developers to catch and handle these errors gracefully, providing appropriate feedback to users. This class provides useful methods and attributes to identify and resolve validation errors efficiently, ensuring the integrity and accuracy of the data being processed.
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