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Attempt to invoke virtual method 'void android.arch.lifecycle.LiveData.observe on a null object reference

Im getting the following error

Im using Android architecture components and tried to instantiate viewmodel and Observe data from LiveData. But im stuck here please help me solve this issue :

Attempt to invoke virtual method 'void android.arch.lifecycle.LiveData.observe(android.arch.lifecycle.LifecycleOwner, android.arch.lifecycle.Observer)' on a null object reference
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My Fragment is this : While calling getCompany() method im getting and NullPoint Exception Error

    public class CompanyFragment extends LifecycleFragment {
    private CompanyViewModel companyViewModel;

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        companyViewModel = ViewModelProviders.of(this).get(CompanyViewModel.class);
        companyViewModel.initData(); …
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android android-fragments

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