B4J Question java runtime error PoiSheet should be initialized?

[Tim Chapman]

My project is attached.

 

[teddybear]

My project is attached.

    Dim result As XLReaderResult = XL.Reader.ReadSheetByName(File.DirAssets, "Todo List.xlsx", "Sheet1")
'    Dim result As XLReaderResult = XL.Reader.ReadRange(File.DirAssets, "Todo List.xlsx", "Sheet1") <---- This is an error

The problem is mainly that reading Sheet1 should be ReadSheetByName instead of ReadRange
You should also check for other errors in your code.