ERROR: 500 Internal Server Error

no protocol: http%3A%2F%2Fbtci.stanford.clockss.org%2Fcontent%2Fvol6%2Fissue4%2F

RequestURI=/ServeContent?url=http%253A%252F%252Fbtci.stanford.clockss.org%252Fcontent%252Fvol6%252Fissue4%252F

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