How can I resolve “Your requirements could not be resolved to an installable set of packages” error?

Your software dependencies have an incompatible version conflict. At the same time you want to install any Laravel 4.2.x version, and “zizaco/entrust” from its master branch. And that master branch requires at least Laravel 5.0 (roughly speaking). The problem comes from the dependency on branches. It’s likely that the package zizaco/entrust once was using Laravel … Read more