Exception: ActiveModel::StrictValidationFailed

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Raised when a validation cannot be corrected by end users and are considered exceptional.

class Person
  include ActiveModel::Validations

  attr_accessor :name

  validates_presence_of :name, strict: true
end

person = {Person.new}
person.name = nil
person.valid?
### => <code>StrictValidationFailed</code>: Name can't be blank