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Receiving Error message event BadAttributeIdInvalid - by: Chiara-Dea

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Hello!
I've searched my issue through the forum and I found nothing.

I'm trying to connect to OPC UA and read Alarms&Conditions.

I made a .NET Core console application based on the example on the documentation OPC UA Alarms&Conditions - Retrieve fields from event data , editing the configuration parameter using the machine endpoint and adding a username and password, like this:


The rest of the code is the same as in the example.

I can connect to the machine, I heve the certificates in the correct place. But the output is the following:


Am I missing something in the configuration or in creating the subscription?

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