Steps to reproduce:
Create a new Excel file.
Select columns after e.g. M until the last one.
Right-click on column names and select Hide.
Keep clicking on a right arrow of a horizontal scroll bar until no column is vis…... Note : The LoadOptions.setIgnoreInvalidData(true)...Workbook("d:\\files\\converted.xml",new LoadOptions(LoadFormat.SPREADSHEET_ML));//exception...