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…...SpreadsheetML: Invalid column index Aspose.Cells Product Family cells-java...the file to SpreadsheetML via Aspose - new Workbook(input).save(output...