That usually means that the version of the plugin you're installing requires a later version of another component--you should either upgrade your Eclipse, or downgrade the plugin. This should probably be in the IDE forum since it's an issue with the IDE/plugin, not specifically Maven.
Joined: Nov 25, 2008
now it gives this error.
Maven issue tracking configurator for Mylyn 3.x (Optional) (0.9.6.20080905-0917) requires plug-in "org.eclipse.mylyn.tasks.ui (3.0.0)", or compatible.
can anyone tell me which pluging shuld i install?