Stripe Paymant doesn't work

Stripe Paymant doesn't work

I have the stripe payment module istalliert, both keys entered.
After buying and entering the card data, I get the error message on every credit card: Error - Error in payment method.
As addons are installed:
Comment in invoice 1.0.1 5
Invoice number 1.1.0 3
Addon product shipping 2.2.0 4
JoomShopping Menu Builder 2.1.7 8
Order email tmpl

Thank you for help!

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Aw: Stripe Paymant doesn't work

url?
admin login?
ftp?
(privat msg)