ava.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Integer ru.roleplay360.model.GameRole.getMaterialGroupId()' on a null object reference
                                                                    at ru.roleplay360.presenter.FormSelectionPresenter.retrieveData(FormSelectionPresenter.java:39)
                                                                    at ru.roleplay360.view.fragment.employee.FormSelectionFragment.initView(FormSelectionFragment.java:59)
                                                                    at common.view.fragment.AbstractFragment.onViewCreated(AbstractFragment.java:59)
                                                                    at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1010)
                                                                    at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1171)
                                                                    at android.app.BackStackRecord.run(BackStackRecord.java:816)
                                                                    at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1578)
                                                                    at android.app.FragmentManagerImpl$1.run(FragmentManager.java:483)
                                                                    at android.os.Handler.handleCallback(Handler.java:751)
                                                                    at android.os.Handler.dispatchMessage(Handler.java:95)
                                                                    at android.os.Looper.loop(Looper.java:154)
                                                                    at android.app.ActivityThread.main(ActivityThread.java:6119)
                                                                    at java.lang.reflect.Method.invoke(Native Method)
                                                                    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
                                                                    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)