Suddenly hates crib?

Julie • Mama to Camden John (June '15) 💙 Brooklyn Grace (July '18) 💜 My angel baby (Nov '17) 💚

My girl has napped and slept great in her crib for months. Suddenly since last week she has been screaming and crying when we put her for a nap or to bed. Nothing has changed. Is anyone else dealing with this or have any ideas?