This site/page has used all avaialble php / apache processes allowed on free

why?

Provide more information and link to your website so we can help you.

Next time, please search the forum and knowledge base first. This question has already been asked many times before.

https://forum.infinityfree.com/discussion/4532/what-does-the-error-mean
https://forum.infinityfree.com/discussion/4899/this-site-page-has-used-all-available-php-server-too-much-time-to-response