Error Creating Envelope in Dynamics 365 with Error in CreateEnvelopeOAuth

Hello ​@max_objk 
Thank you for reaching out, and welcome to the Docusign Community! We appreciate your question and assure you that we are fully committed to providing you with the best service possible. 

There’s a possibility that you have missed a step in the installation/configuration process. I highly recommend that you review our installation guide again. If the issue persists, you may create a case in the support portal so that a support expert can further assist you.
I have included a related article for your review.
Docusign for Microsoft Dynamics 365 Installation and Configuration

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Sincerely,

Ma. Cassandra | Docusign Community Moderator
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Hello ​@max_objk 

How are you? I'm checking in to see if you still need help. If yes, please reply here with more context, or confirm if the issue has been resolved. 

If you have any problems, we're happy to help you with them here. Wishing you a smooth rest of your day!

If you found the response to be a useful solution to your question, please “like” and mark it as the best answer by clicking “Select as Best” to make it easier for other users to find. Thank you!

Sincerely,

Ma. Cassandra | Docusign Community Moderator

If this helped, feel free to like 👍 and click "Best Answer."