help meee

[dedo]

hiiii every bady

ihave problam is :

iam using jdeveloper 11g with ireport to desgin the report >

i do every thing and it work .

but when i try to make my program excutable program that mean ( .exe)

i find this problem

(("AWT-EventQueue-0" java.lang.NoClassDefFoundError: net/sf/jasperreports/engine/JRExporter.))