class StrictValidationFailed
Ruby on Rails 8.0.4
Since v3.2.22.5Active Model StrictValidationFailed
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? # => ActiveModel::StrictValidationFailed: Name can't be blank