Stripe Connect Button-Edit your vendor details page

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Greetings, Under the Vendor Account page/Edit Vendor Details at the bottom of that page there is a Stripe Connect Button. When this button is clicked the page that opens is the second pic. "error" "message": "No application matches the supplied client identifier". I have Connect config correctly, I think, as I am able to onboard fine.I have tested the payment part too...it works, only the "End Page" must be turned on or it won't capture. The End page is just a blank page with a CC box on it. I tried config the menu item on checkout but that didn't make a difference. Would like a fix for that too if possible. The URL it goes to is: connect.stripe.com/oauth/v2/authorize?sc...c&response_type=code

At first glance the new Stripe connect plugin seems OK. I will test more tomorrow. Thanks...how do I fix the checkout only capturing on the end page? or how can i keep the checkout process all on the same page? like if I choose "Checkout" on the "Payment Mode option"

We have created an automated email that is sent out after a user signs up and chooses to be a vendor. I believe this is the same link as the button at the bottom of the Edit your Vendor details page. See pic.
Once a vendor completes the signup process using our automated link in the email, and their account is connected to our platform, the "Connect with Stripe" Button is still there, and when clicked, attempts to onboard the user again. Once clicked, if the user abandons the process because they have already onboarded, it still adds the "restricted" account to the main vendor dashboard. One other scenario we are looking at is that the user might already have an Stripe account and just needs to "connect" that account to the main vendors account, i.e. the platform. I suspect that the "Connect with Stripe" will still try and onboard that user as well. Please advise what my options are with the ""Connect with Stripe" button. Thanks