I am getting weird aur problem while installing the FIrefox Nightly(Heard it is better than the stable one.)
Continue building firefox-nightly ? [Y/n]
==> -----------------------------------------
==> y
==> Building and installing package
==> Making package: firefox-nightly 59.0a1.20171113-1 (Mon Nov 13 22:57:39 +0545 2017)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Retrieving sources...
-> Found firefox-nightly.desktop
-> Found vendor.js
-> Downloading 20171113-firefox-59.0a1.en-US.linux-x86_64.tar.bz2...
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 60.3M 100 60.3M 0 0 223k 0 0:04:36 0:04:36 --:--:-- 318k
-> Downloading 20171113-firefox-59.0a1.en-US.linux-x86_64.tar.bz2.asc...
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 836 100 836 0 0 836 0 0:00:01 --:--:-- 0:00:01 2451
-> Downloading 20171113-firefox-59.0a1.en-US.linux-x86_64.txt...
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 99 100 99 0 0 99 0 0:00:01 --:--:-- 0:00:01 291
==> Validating source files with sha512sums...
firefox-nightly.desktop ... Passed
vendor.js ... Passed
==> Validating source_x86_64 files with sha512sums...
20171113-firefox-59.0a1.en-US.linux-x86_64.tar.bz2 ... Skipped
20171113-firefox-59.0a1.en-US.linux-x86_64.tar.bz2.asc ... Skipped
20171113-firefox-59.0a1.en-US.linux-x86_64.txt ... Skipped
==> Verifying source file signatures with gpg...
20171113-firefox-59.0a1.en-US.linux-x86_64.tar.bz2 ... FAILED (unknown public key BBBEBDBB24C6F355)
==> ERROR: One or more PGP signatures could not be verified!
==> ERROR: Makepkg was unable to build firefox-nightly.
==> Restart building firefox-nightly ? [y/N]
==> ----------------------------------------
Well How do you fix it??
