– spatie/laravel-ignition[1.0.0, …, 1.6.4] require ext-curl * -> it is missing from your system. Install or enable PHP’s curl extension.
– Root composer.json requires spatie/laravel-ignition ^1.0 -> satisfiable by spatie/laravel-ignition[1.0.0, …, 1.6.4].
Solution:
// run this command
sudo apt-get install php-curl