This may be due to the file being used by two projects at the same time.
In any case, I would like to ask you to attach the file and the projects so that I can look into your problem. You can attach the files here or in a private message on the forum.
Captcha_fail error
-
@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/