UI: experimentation view: downloading WiseML fails

[danbim]

eu.wisebed.wiseui.shared.exception.ExperimentationException Unknown.nA(StackTraceCreator.java:168)
Unknown.Bgc(StackTraceCreator.java:421)
Unknown.Egc(ExperimentationException_FieldSerializer.java:16)
Unknown.Etb(SerializerBase.java:55)
Unknown.ztb(SerializerBase.java:112)
Unknown.Brb(AbstractSerializationStreamReader.java:119)
Unknown.jsb(RequestCallbackAdapter.java:216)
Unknown.OI(Request.java:287)
Unknown.oJ(RequestBuilder.java:395)
Unknown.anonymous(XMLHttpRequest.java:287)
Unknown.Jz(Impl.java:168)
Unknown.Mz(Impl.java:221)
Unknown.anonymous(Impl.java:57)...