I have an issue with reordering items in a collection, where basically the site returns 500 error and a connection timeout upon save of a reorder. The site has over about 10 collections and there's about 1000 items, so it's a larger dataset.
You'd use the perch:error on the honeypot field, not the g-recaptcha-response field. I'm not sure if Perch natively has an error for the honeypot field, but you could use the following to catch all types of errors:
(Code, 2 lines)