reCAPTCHA couldn't find user-provided function:

[Daniel Bellini]

Hello 

I've integrated the reCAPTCHA on my website https://www.recycletabrosseadents.com/ following instructions but I get this error: 

reCAPTCHA couldn't find user-provided function: recaptchaCallback

recaptcha__fr_ca.js:508 Uncaught Error: Invalid site key or not loaded in api.js: 6LeY48QUAAAAABwsMMp88aUSiEwNFXVNhHrqe6T9

    at Object.CI [as execute] (recaptcha__fr_ca.js:508)

    at Object.execute ((index):1235)

    at executeOnHomepage ((index):1257)

    at $7 (recaptcha__fr_ca.js:500)

    at recaptcha__fr_ca.js:507

    at Jo (recaptcha__fr_ca.js:511)

    at zW (recaptcha__fr_ca.js:507)

    at recaptcha__fr_ca.js:513

    at recaptcha__fr_ca.js:533

Does anyone have idea of what is wrong?

Thanks