#33 Exception

[Anonymous]

shurik2533@pc:~/Загрузки/lexi_0_1_1_alpha/lexi$ java -jar bin/Lexi.jar
Trying to load image: logo.gif
Trying to load image: jmonkey16.gif
Exception in thread "main" java.lang.ClassCastException: javax.swing.plaf.synth.SynthDesktopPaneUI$SynthDesktopManager cannot be cast to com.jmonkey.office.lexi.Main$DocumentManager
at com.jmonkey.office.lexi.Main.getDesktopManager(Main.java:2270)
at com.jmonkey.office.lexi.Main.getFileToolBar(Main.java:2292)
at com.jmonkey.office.lexi.Main.init(Main.java:2574)
at com.jmonkey.office.lexi.Main.<init>(Main.java:1988)
at com.jmonkey.office.lexi.Main.main(Main.java:2640)