Hi @pinkiyadav,
Does this happen with PayPal or with credit card payments? There are a few reports on this forum about sporadic failures with the PayPal Card Processing that don’t create any logs.
Could you please give it a try with this plugin version?: https://drive.google.com/uc?export=download&id=19rhicaSnIWBsPD8Y6jbi2x52OIa2gp-a
The result likely remains similar, but it extends the logging and should display more relevant error messages that help us better determine what the problem could be.
It would also be good to give it a try with the default Storefront theme active and all plugins disabled except for WooCommerce and PayPal Payments to rule out a potential conflict.
Testing this in a separate staging environment should provide comparable results without affecting the live site availability.
@sztufi Please create your own thread so we can assist you properly, as the critical error on your site is unlikely to be related to the behavior reported in this thread.
Thanks!
Kind regards,
Niklas