Zendesk runs an error when messaging is started with:
Zendesk.instance.messaging.showMessaging(requireContext())
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.project.sample/zendesk.messaging.android.internal.conversationscreen.ConversationActivity}: android.view.InflateException: Binary XML file line #7 in com.project.sample:layout/zma_screen_conversation: Binary XML file line #7 in com.project.sample:layout/zma_screen_conversation: Error inflating class zendesk.messaging.android.internal.conversationscreen.ConversationScreenView
Are you using a custom theme by chance?
Thanks!