composer install Your requirements could not be resolved to an installable set of packages. code example
Example 1: Composer install : Your requirements could not be resolved to an installable set of packages
apt-get install php-gd
Example 2: laravel Your requirements could not be resolved to an installable set of packages.
apt-get install php7.4-gmp
apt-get install php-curl
sudo apt-get install php7.4-zip
sudo apt-get install php-mbstring -y
sudo apt-get install php-xml -y
sudo service apache2 restart