Try printing ( with log) the command you are trying to execute, run it in a seperate command line to see if it's working properly.
since it's related to input I am suspecting the problem is with the youtube url you are providing
Captcha_fail error
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@Mega This comes from capmonster.
What do you have in capmonster log http://prnt.sc/e73sfm
Can you share your project?
Does same error reproduces on that page https://patrickhlauke.github.io/recaptcha/