class ViewModel::DeserializationError::Validation

def self.from_active_model(errors, node)

ActiveModel::Errors, wrapped in a Collection if necessary.
Return Validation errors for each error in the the provided 
def self.from_active_model(errors, node)
  causes = errors.messages.each_key.flat_map do |attr|
    errors.messages[attr].zip(errors.details[attr]).map do |message, details|
      self.new(attr.to_s, message, details, node)
    end
  end
  Collection.for_errors(causes)
end