class InvalidParameterKey

Ruby on Rails 7.1.6

Since v7.1.6

Available in: v7.1.6 v7.2.3 v8.0.4 v8.1.2

Raised when initializing Parameters with keys that aren’t strings or symbols.

ActionController::Parameters.new(123 => 456)
# => ActionController::InvalidParameterKey: all keys must be Strings or Symbols, got: Integer

Inherits from

ArgumentError

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