TypeError: Cannot read property 'playing' of undefined
   at AudioComponent../node_modules/@snunit/shared-2/public/ng2/audio/index.ts.AudioComponent.ngOnDestroy (/nodejs/cm/environments/btc-snunit/dist/server.js:373413:25)
   at callProviderLifecycles (/nodejs/cm/environments/btc-snunit/dist/server.js:258209:18)
   at callElementProvidersLifecycles (/nodejs/cm/environments/btc-snunit/dist/server.js:258177:13)
   at callLifecycleHooksChildrenFirst (/nodejs/cm/environments/btc-snunit/dist/server.js:258167:29)
   at destroyView (/nodejs/cm/environments/btc-snunit/dist/server.js:259229:5)
   at callViewAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259355:13)
   at execEmbeddedViewsAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259298:17)
   at destroyView (/nodejs/cm/environments/btc-snunit/dist/server.js:259227:5)
   at callViewAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259355:13)
   at execComponentViewsAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259277:13)
   at destroyView (/nodejs/cm/environments/btc-snunit/dist/server.js:259228:5)
   at callViewAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259355:13)
   at execEmbeddedViewsAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259298:17)
   at destroyView (/nodejs/cm/environments/btc-snunit/dist/server.js:259227:5)
   at callViewAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259355:13)
   at execComponentViewsAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259277:13)
   at destroyView (/nodejs/cm/environments/btc-snunit/dist/server.js:259228:5)
   at callViewAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259355:13)
   at execEmbeddedViewsAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259298:17)
   at destroyView (/nodejs/cm/environments/btc-snunit/dist/server.js:259227:5)
   at callViewAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259355:13)
   at execComponentViewsAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259277:13)
   at destroyView (/nodejs/cm/environments/btc-snunit/dist/server.js:259228:5)
   at callViewAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259355:13)
   at execEmbeddedViewsAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259298:17)
   at destroyView (/nodejs/cm/environments/btc-snunit/dist/server.js:259227:5)
   at callViewAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259355:13)
   at execComponentViewsAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259277:13)
   at destroyView (/nodejs/cm/environments/btc-snunit/dist/server.js:259228:5)
   at callViewAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259355:13)
   at execEmbeddedViewsAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259298:17)
   at destroyView (/nodejs/cm/environments/btc-snunit/dist/server.js:259227:5)
   at callViewAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259355:13)
   at execComponentViewsAction (/nodejs/cm/environments/btc-snunit/dist/server.js:259277:13)