ERROR: 500 Internal Server Error

no protocol: http%3A%2F%2Fwww.sudanmedicalmonitor.org%2FshowBackIssue.asp%3Fissn%3D1858-5000%3Byear%3D2014%3Bvolume%3D9%3Bissue%3D2%3Bmonth%3DApril-June

RequestURI=/ServeContent?url=http%253A%252F%252Fwww.sudanmedicalmonitor.org%252FshowBackIssue.asp%253Fissn%253D1858-5000%253Byear%253D2014%253Bvolume%253D9%253Bissue%253D2%253Bmonth%253DApril-June

LOCKSS daemon, powered by Jetty