Forms shows error many times

hi all
i just installed a form for a newsletter – if i type in something wrong, the error message is showed many times. any idea why?

Hi @eivissa89 - can you tell me what form block this is? Is this an addon or the core form block or the legacy form block or?

dear evan
thanks for your feedback.
it’s a form for a newsletter. i already found out that it is in conncection with the “caching” settings.

Got it - yeah that makes sense. It’s always caching! haha.