This is a non-breaking bug where donations can still be submitted.
When you start a donation in a VFB form and use some gateways an error will show up and not disappear if all the payment info isn't entered. The donation form still works by simply filling out the missing information and pressing the Donate button.
Google Pay: if the Google Pay modal is opened and you need to close it to go back to the form (example: change donation amount or email address etc...) there's a visible error on the form. When the donor changes the information and goes through the donation steps the donation will proceed.
Stripe: If you miss filling in any of the credit card fields the error will show up. Once the missing information is filled in the donation can proceed.
The following error occurred when submitting the form:
[object Object]
No GiveEWP error log is thrown.