Stickmanetic,redux

[geFive]

i tried the fixes detailed in the previous Stickmanetic thread, as well as 2 different versions of pbox2d, and i keep getting this error:
Exception in thread "Animation Thread" java.lang.NoSuchMethodError: org.jbox2d.dynamics.World.(Lorg/jbox2d/common/Vec2;)V
at pbox2d.PBox2D.createWorld(PBox2D.java:107)
at pbox2d.PBox2D.createWorld(PBox2D.java:97)
at pbox2d.PBox2D.createWorld(PBox2D.java:91)
at Stickmanetic.setup(Stickmanetic.java:55)
at processing.core.PApplet.handleDraw(PApplet.java:1608)
at processing.core.PApplet.run(PApplet.java:1530)
at java.lang.Thread.run(Thread.java:680)
?any suggestions or help much appreciated.