in src/App.js [45:55]
componentWillUnmount() {
if (this.onMeetingEndSubscription) {
this.onMeetingEndSubscription.remove();
}
if (this.onMeetingStartSubscription) {
this.onMeetingStartSubscription.remove();
}
if (this.onErrorSubscription) {
this.onErrorSubscription.remove();
}
}