I'm getting a 'timeout-or-expired' error code. What's the likely cause and how can I fix it?

A 'timeout-or-expired' error means the user took too long to complete the reCAPTCHA challenge, or the reCAPTCHA session expired before submission. This can be due to slow internet connections or users taking an extended time to respond. Consider increasing the timeout duration (if possible through reCAPTCHA settings) or providing clear instructions to users to complete the challenge promptly.