Upgrading from 4.0.5 to 4.1.0 or 4.1.1
Please refer to the upgrade instructions corresponding to your installation method.
Composer Installation Adding CodeIgniter4 to an Existing Project Upgrading
Autoloader::loadLegacy() method was originally for transition to CodeIgniter v4. Since v4.1.0,
this support was removed. All classes must be namespaced.