Alguém poderia de o porque desse error.
Exception in thread “main” java.lang.NullPointerException
at it.businesslogic.ireport.FontListLoader.loadTTFFonts(FontListLoader.j
ava:100)
at it.businesslogic.ireport.gui.MainFrame.<init>(MainFrame.java:272)
at it.businesslogic.ireport.gui.MainFrame.main(MainFrame.java:5774)