Hi, I am new here and I need help. I want to create an desktop application where on button click I will generate report from my template (made in Jaspersoft studio) with data from Excel file .xlsx. In Jaspersoft I 've created some data adapter, that skips the first line of the xlsx file and then reads and filters data. Whole report works in Jaspersoft, but when I try to use it in Java fx app, this error shows up: Unable to get value for Excel field "column name" of class java.lang.String. Sourcecode:
