ActionController::ExpectedParameterMissing — Ruby on Rails 8.0.4

Version:

Raised from expect! when an expected parameter is missing or is of an incompatible type.

params = ActionController::Parameters.new(a: {})
params.expect!(:a)
# => ActionController::ExpectedParameterMissing: param is missing or the value is empty or invalid: a

Inherits from

ActionController::ParameterMissing