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SAP UI5 application Error on Browser Refresh

Hi,

I have a SAP UI5 application with splitview layout. The DetailView contains a tab which displays content from another component or embedded application. When I load the application, change the item from the MasterView and refresh the browser, the application fails to load as the getComponentInstance() of the embedded view gets 'undefined' . The code I use to call the application is as follows.

this.getView().byId("idTimeline").getComponentInstance().setPatientId(this._sPatientId);

Here the this.getView().byId("idTimeline").getComponentInstance() gets undefined while this.getView().byId("idTimeline") has value. Kindly advice on how to resolve this issue.

Regards,

Karthik

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