The abstract noun "advice" can be translated as a verb. Alternate translation: "coming to ask you to advise her" (See: [[rc://en/ta/man/translate/figs-abstractnouns]])
The words "such and such" mean that Yahweh told Ahijah what to say. Alternate translation: "Speak in this way to her" (See: [[rc://en/ta/man/translate/figs-idiom]])