OpenVPN worked perfect. Now it can't start the service.

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I don't know what I should post to help figure out the problem. I setup an OpenVPN and it worked just as it should. Nothing changed on my server or network and now I cannot get the service to start in TrueNAS and obviously it will not connect remotely. I have looked over the forums and I must have just looked over where I should be looking to find a solution. Any help would be appreciated. Thank you.