@NoRisk4Project I have no control over the behaviour of the Optix OPC UA client. I am at the mercy of the developers. Recently I did receive feedback from a liason in regards to that warning message. They say that your server is actually not following the specs, which is very common with Bosch and Siemens "which are using references in the wrong way, trying to parse the whole tree and fixing such references." If I had a different OPC UA server available to test with, I would. Unfortunately, I do not. Attached is the requested Wireshark capture.
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