class UnfilteredParameters

Ruby on Rails 6.1.7.10

Since v5.2.8.1

Available in: v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

Raised when a Parameters instance is not marked as permitted and an operation to transform it to hash is called.

params = ActionController::Parameters.new(a: "123", b: "456")
params.to_h
# => ActionController::UnfilteredParameters: unable to convert unpermitted parameters to hash

Inherits from

ArgumentError