From wont submit - Only getting error

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Why won’t my form submit? I have enabled reCAPTCHA and I have the box in my form. Really weird. I tried to add an entirely new form (with no edits) and that did not work either, is there some kind of Webflow form restriction in CMS plans?

https://preview.webflow.com/preview/trana-kampsport?utm_medium=preview_link&utm_source=designer&utm_content=trana-kampsport&preview=feb187a1cc3ec46f127cc6874924c870&pageId=64dbb81d7e761899629869c1&workflow=preview

Here is my public share link: LINK
(how to access public share link)