"Place Order" Button in Checkout Broken

[BeeJayF]

Hello all!

after several presta shop module updates (and some 3rd party modules as well) yesterday a customer notified us that the "order button" in the checkout is broken.

I checked and found that in fact the following behaviour occurs:

After entering name, address and selecting a shipping service in the final stage of the checkout the red banner (Please make sure you've chosen a payment method and accepted the terms and conditions) and a greyed out "place order" button is shown.

Now based on the payment selection the following happens:

1) Pay by credit card (Stripe module): banner stays - button remains grey - no entry sign shows when touching the button - BUT a click results in a succesful order!

2) Pay by bank wire (original presta module): as 1) but click does not issue an order but jumps the cursor back to the input of the Pay by card text element! but if I disable or uninstall the Stripe module - just nothing happens.

3) Bank transfer payment with discount (3rd party): same as 2)

4) Paypal: Once selected both the banner and the button disappear - order is only possible with the yellow "pay with paypal" button. 

Using PrestaShop 1.7.8.7, php 7.3.33

 

Posting shop urls is frowned upon - I know - but in this case it might help to picture the problem.

https://schnuffelinis.de/en/

[ZIKODK]

PS1.7.8.7 can use PHP7.4.

If your host have this, change this.

[BeeJayF]

they don't - at least not with a zip extension - but they are working on it... (don't get me started!)

[BeeJayF]

solved - or at lease got it to work again!

I disabled a performance enhancement (image compressor and such!) module and not everything is unscrewed again. Now I only need to find the appropriate setting in the performace module...