UaExpert OPC-Client error BadNonceInvalid

Hi,
thank you for the hint. I was connecting with security disabled. Setting the client security to Basic128/Sign&Encrypt fixed the problem. UaExpert version is 1.2.1 164 (the current version).
It is still interesting that it works without security if another client is connected. The other client needs anonymous access, so i think it uses no security as well.

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