OS Version: iOS 15.3.1 (19D52)
Report Version: 104

Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: BUS_NOOP
Crashed Thread: 7

Application Specific Information:
ZTUM >
Attempted to dereference null pointer.

Thread 7 Crashed:
0   app   0x2030f16dc   realm::sync::Session::on_new_flx_sync_subscription
1   app   0x2030424a0   realm::util::UniqueFunction<T>::make_impl<T>::SpecificImpl::call
2   app   0x2030424a0   realm::util::UniqueFunction<T>::make_impl<T>::SpecificImpl::call
3   app   0x203132720   realm::sync::MutableSubscriptionSet::commit
4   app   0x202f10ae0   realm::js::SubscriptionSetClass<T>::update
5   app   0x202f10774   realm::js::wrap<T>

const initialise = async () => {
  const appConfig = {
    id: '<app id>',
    timeout: 10000,
  };
  const app = new Realm.App(appConfig);
  let user = app.currentUser;
  if (!user || user?.state !== 'active') {
    const credentials = Realm.Credentials.anonymous();
    user = await app.logIn(credentials);
  }
  // await app.currentUser?.refreshCustomData();      <-- This line fixes the null pointer issue but requires internet
  const realm = new Realm({
    schema: [...],
    sync: {
      user: app.currentUser,
      flexible: true,
    },
  });
  realm.subscriptions.update(mutableSubscriptions => {
    realm.schema.forEach(schema => {
      mutableSubscriptions.add(
        realm.objects(schema.name).filtered('userId = $0', user!.id),
        {
          name: schema.name,
        },
      );
    });
  });
}