Manjaro ncurses5-compat-libs installation

I'm trying to install the ncurses5-compat-libs package, but cannot because of the following problems. ***What I tried:*** **1. yay ncurses5-compat-libs** There are 2 types of errors: * Checking Y and to add the key, results in the error message below gpg: keyserver receive failed: Permission denied ==> Error: Problem importing keys * Checking N to not add the key produces ==> Verifying source file signatures with gpg... ncurses-6.1.tar.gz ... FAILED (unknown public key 702353E0F7E48EDB) ==> ERROR: One or more PGP signatures could not be verified! Error downloading sources: ncurses5-compat-libs **2. sudo gpg --recv-keys C52048C0C0748FEE227D47A2702353E0F7E48EDB** I've tried to add the key manually, but it didn't work. **3. sudo gpg --recv-keys 702353E0F7E48EDB** Also I've tried to add it manually, but it didn't work **4. yay -S --noconfirm --needed ncurses5-compat-libs** **5. Trying to follow this forum ** **6. I've tried to clone the repository by hand by following** git clone http://aur.archlinux.org/ncurses5-compat-libs.git cd ncurses5-compat-libs sudo gpg --recv-keys C52048C0C0748FEE227D47A2702353E0F7E48EDB makepkg -sic cd .. sudo rm -r ncurses5-compat-libs This leaves me back from where I started... ==> Verifying source file signatures with gpg... ncurses-6.1.tar.gz ... FAILED (unknown public key 702353E0F7E48EDB) ==> ERROR: One or more PGP signatures could not be verified! Error downloading sources: ncurses5-compat-libs Does anyone have any idea how to fix this problem?