I tried to register my callsign, but I get an error. like this.
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Register your callsign
Callsign kompor
Email eybudianto@gmail.com
Validation check reCAPTCHA test failed
Failed in callsign registration. Please return and check your input. PM hazuki at flightgear forum if you have any difficuities or you think you faced a bug during registration process.
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but I do not see any CAPTCHA on my firefox.
for information I use ubuntu 16.04 and FG ver 2017.1.2
thanks and regards