(Deutsch) Zend Studio Code Completion kaputt

The following tip helped me to get broken code completion working again: http://forums.zend.com/viewtopic.php?f=59&t=5585&start=20#p19107

1. Go to /Zend/workspaces//.metadata/.plugins/org.eclipse.core.runtime/.settings
2. Delete org.eclipse.dltk.ui.prefs file