Could you please check if your IIS has handler mappings for WCF services? If you do not have this handler mapping you should add it. The path is *.svc
and the type is System.ServiceModel.Activation.HttpHandler, System.ServiceModel, Version=18.104.22.168, Culture=neutral, PublicKeyToken=b77a5c561934e089
It looks like you are missing some handler mappings.
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