I have used SheetJS js-xlsx library to load data from xlsx file into Fiori grid view. App is working when I run it using the SAP Hana Web IDE. Then I have deployed app to the Hana Cockpit and Register the app in Fiori LaunchPad as follows:
The first time it will show the excel data but from the second time onwards it shows a Javascript error "XLSX.read undefined".
And sows the following error: