I am constantly getting this error when working with eclispe and the subclipse plugin:
Unable to load default SVN Client
I have already install
Zend Studio 9 if you upgrade/update to 9.0.3 you will get this error as well. You need to uninstall all subEclipse and JavaHL stuff then follow the install procedures again and restart Zend studio.
Build 20120625 in Zend Version 9.0.3