undefined is not an object (evaluating 'props.configProps.questions') · Issue #16 · FredrikOseberg/react-chatbot-kit · GitHub
javascript - React and Redux this.props.posts is undefined? - Stack Overflow
Crash: `undefined is not an object (evaluating '_this.props.updateCellsBatchingPeriod')` when using @babel/proposal-decorators · Issue #133 · storybookjs/react-native · GitHub