array :translations do hash do string :locale string :name end end array inputs can only have one input nested underneath them. This is because every element of the array must be the same type. And the inputs nested inside arrays cannot have names because they would never be used.

Set your models free from the accepts_nested_attributes_for helper. Action Form provides an object-oriented approach to represent your forms by building a form object, rather than relying on Active Record internals for doing this.

Set your models free from the accepts_nested_attributes_for helper. Active Form provides an object-oriented approach to represent your forms by building a form object, rather than relying on Active Record internals for doing this.