Error: '/var/www/vhosts/webdesignroma.com/httpdocs/segnala-sito/libs/../templates_c' is not writable! Please chmod this directory to 777

Please fix the above error(s), install halted!

Error: '/var/www/vhosts/webdesignroma.com/httpdocs/segnala-sito/libs/../cache' is not writable! Please chmod this directory to 777

Please fix the above error(s), install halted!