[xwiki-users] Lucene defaultpage fails

Navigating to the Main.LuceneSearch page brings up the following error? Failed to execute macro: velocity org.xwiki.rendering.macro.MacroExecutionException: Failed to evaluate Velocity Macro for content [$xwiki.jsfx.use("uicomponents/search/search.js", true)## $xwiki.ssfx.use("uicomponents/search/search.css", true)## The page has worked, but what can be wrong now. The page itself is not changed from the distribution? Gerritjan