TypeError: Cannot read property 'unsubscribe' of undefined
   at exports.TxnSummaryFooterComponent.ngOnDestroy (/tmp/dist/server.js:142914:177524)
   at callProviderLifecycles (/tmp/dist/server.js:27276:18)
   at callElementProvidersLifecycles (/tmp/dist/server.js:27244:13)
   at callLifecycleHooksChildrenFirst (/tmp/dist/server.js:27234:29)
   at destroyView (/tmp/dist/server.js:35856:5)
   at callViewAction (/tmp/dist/server.js:35982:13)
   at execEmbeddedViewsAction (/tmp/dist/server.js:35925:17)
   at destroyView (/tmp/dist/server.js:35854:5)
   at callViewAction (/tmp/dist/server.js:35982:13)
   at execComponentViewsAction (/tmp/dist/server.js:35904:13)