It has been stated in annother post that the astro binding in 2.1 is buggy. So either upgrade to unstable 2.2 or wait for stable 2.2 or just copy the astrobinding.jar file from the 2.2 unstable to your system
It has been stated in annother post that the astro binding in 2.1 is buggy. So either upgrade to unstable 2.2 or wait for stable 2.2 or just copy the astrobinding.jar file from the 2.2 unstable to your system