Javascript Errors when trying to register

I’ve finally got my site to look how I want it, but when using the bundled PMP plugin and linking the Stripe Test Key, I’m unable to test registering any new users as I get the ‘Javascript Error, Please Contact Webmaster’ error.

I’ve heard it may be that PMP cant talk to Stripe, due to the JS errors, so I disabled Jetpack to try and fix, then other plugins 1 by 1 but still doesn’t fix it.

The only solutions I can think of are coming here where I bought this, or paying 97$ to get 1 question answered on their support forum which just doesnt seem right.

Can you guys help with this? OR able to log in and test?

Thanks