When I remove the navigation menu (see screenshot), the Preview App throws an error page with the following text:
CONTEXT: App, TIMESTAMP: 1591138065248, MESSAGE: undefined is not an object (evaluating 't[F].params') E@/private/var/containers/Bundle/Application/770C5EC2-0AB0-45BF-8E81-C6B1BE7366AA/RNVApp.app/main.jsbundle:1147:1097
getStateForAction@/private/var/containers/Bundle/Application/770C5EC2-0AB0-45BF-8E81-C6B1BE7366AA/RNVApp.app/main.jsbundle:1147:2671
w@/private/var/containers/Bundle/Application/770C5EC2-0AB0-45BF-8E81-C6B1BE7366AA/RNVApp.app/main.jsbundle:1129:1070
map@[native code]
E@/private/var/containers/Bundle/Application/770C5EC2-0AB0-45BF-8E81-C6B1BE7366AA/RNVApp.app/main.jsbundle:1129:161