logging in as editor generates stack trace in console (Exception whole creating HTMLCleaner template)

when you log in as editor you get the following stacktrace in the terminal:

27.01.2009 11:57:45 ERROR [org.hippoecm.frontend.plugins.xinha.htmlcleaner.HtmlCleanerPlugin.<init>():45] Exception whole creating HTMLCleaner template:
java.lang.Exception: Required property missing: hippohtmlcleaner:linewidth
at org.hippoecm.frontend.plugins.xinha.htmlcleaner.JCRHtmlCleanerTemplateBuilder.checkRequiredPropertyPresent(JCRHtmlCleanerTemplateBuilder.java:200)
at org.hippoecm.frontend.plugins.xinha.htmlcleaner.JCRHtmlCleanerTemplateBuilder.handleSerialization(JCRHtmlCleanerTemplateBuilder.java:206)
at org.hippoecm.frontend.plugins.xinha.htmlcleaner.JCRHtmlCleanerTemplateBuilder.buildTemplate(JCRHtmlCleanerTemplateBuilder.java:65)
at org.hippoecm.frontend.plugins.xinha.htmlcleaner.HtmlCleanerPlugin.<init>(HtmlCleanerPlugin.java:42)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
.....