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React Spreadsheet - Unhandled Rejection error when opening an excel file.


I'm currently evaluating the react UI components, specifically the spreadsheet for use in one of our projects. The components suits our needs, but there is some issue when attempting to run the project locally to test it.

This is what i'm trying to run -

I tested it previously in the Codesandbox and there was no issue when opening some random excel file, but locally there is some internal error when i attempt to import some file.


The error is happening after the readFileAsUing8Array is done and the result is loaded into Workbook.

The issue is even happening with the default excel file downloaded on opening the spreadsheet. (

One of the files, with which this was tested.