Hello, a bit of an old post, but I am facing the same issue. I am running the function using ‘load_field’ and although the field is set as ‘not required’ and this is reflected on the output html, after submitting the form I can still see an error.
2022 was a big year for Advanced Custom Fields, with more capabilities, a new generation of ACF Blocks, a refreshed UI, and a new home. Our year in review post looks at advancements we’ve made and offers a glimpse of the future. https://t.co/HahJUCcyH4