Hi,
It’s look like something with project assembly reference. Maybe below links will help:
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https://discuss.particular.net/t/nservicebus-generichost-exception-when-starting-endpoint/223
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https://discuss.particular.net/t/unable-to-load-one-or-more-of-the-requested-types/1118/3
… and this a little bit older topic with similar problem that could be also helpful somehow: