The Stripe connect option opens up then closes after a second causing authentication to fail

I am trying to add a parent field to my form.

When I click to add a Stripe payment is takes me to the wizard. I then click the Stipe Connect Link and it opens a separate window (which closes after a second) and then the original page,  a 'loading' graphic spins on the button and it says "Connecting" before saying "Failed" - without giving me any opportunity to put details in!?

Please help. 

It looks like your popup blocker is enabled. Please try checking and make sure to allow popups in Jotform, we only use popup for wizards so nothing to worry about it.

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Allow popups from the options

You have to reload the page after then edit your form to connect your Stripe account. 

You can also add the keys in the Stripe field properties: