HTTP ERROR 500

Problem accessing /download/106.latest_finished/artifacts/**. Reason:

    For input string: "106.latest_finished"

Caused by:

java.lang.NumberFormatException: For input string: "106.latest_finished"
	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
	at java.lang.Long.parseLong(Long.java:438)
	at java.lang.Long.valueOf(Long.java:535)
	at com.pmease.quickbuild.web.DownloadServlet.doGet(DownloadServlet.java:112)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at com.pmease.quickbuild.web.HttpServiceProvider$1$1.service(HttpServiceProvider.java:86)
	at org.eclipse.equinox.http.servlet.internal.ServletRegistration.service(ServletRegistration.java:61)
	at org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:126)
	at org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:68)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at org.eclipse.equinox.http.jetty.internal.HttpServerManager$InternalHttpServiceServlet.service(HttpServerManager.java:318)
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
	at org.mortbay.jetty.Server.handle(Server.java:326)
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
	at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:924)
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
	at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)
	at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)