# Method now defined if form success page is an ISR page

**URL:** <https://answers.netlify.com/t/method-now-defined-if-form-success-page-is-an-isr-page/81301>\
**Category:** Support\
**Tags:** netlify-forms\
**Created:** [December 15, 2022, 12:41am UTC](https://answers.netlify.com/t/method-now-defined-if-form-success-page-is-an-isr-page/81301 "2022-12-15T00:41:00Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![hrishikesh](https://sea1.discourse-cdn.com/netlify/user_avatar/answers.netlify.com/hrishikesh/32/74607_2.png) [@hrishikesh](https://answers.netlify.com/u/hrishikesh)\
**Post date:** [December 18, 2022, 11:48am UTC](https://answers.netlify.com/t/method-now-defined-if-form-success-page-is-an-isr-page/81301/2 "2022-12-18T11:48:04Z")

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You should not submit the form to a page that’s using ISR, rather a static HTML page. This is explained here:

> [@\[Support Guide\] Form problems, form debugging, 404 when submitting](https://answers.netlify.com/t/92#submits-fine-yet-no-submissions-in-ui-5):
>
> Last reviewed by Netlify Support in July 2025 sparkles [AskNetlify’s](https://docs.netlify.com/ask-netlify/) Version sparkles Where can I check form submissions on my site? Copy the prompt above and paste it into [AskNetlify](https://docs.netlify.com/ask-netlify/), and it’ll break down this info. You can also ask clarifying questions. Still need help? No problem! We’re happy to clarify. Last reviewed October 2024 Please give these debugging tips a try before making a new post. If none of the suggestions work, please include the requested information that we request…

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