Only logical explanation would be that you
run your script in 10 threads, or whatever number
of threads you have should be number of success
messages.
Thread ended with message "CAPTCHA_FAIL : ERROR_KEY_DOES_NOT_EXIST"
-
i have build a projects where i use anti - captcha new api to solve invisible recaptcha .
problem is when i run it. sometimes it's solving captcha sometime it says Thread ended with message "CAPTCHA_FAIL : ERROR_KEY_DOES_NOT_EXIST"
can anyone tell me what's the problem?

Why it's using 2capctha Solver sometimes?? i have choose anti-capctha on the script.
