I\'ve upgraded from RN 0.54 to 0.57 and my app has pretty much fallen over due to using React Native Elements.
I took use of their error functionality on TextI
TextI
For me, it happened because of an unopened curly brace inside JSX.
{events.map(event => { return ( Date: {event.start.dateTime} ); })} } <------------ that was the culprit