Use package installation, but it will appear:
Your requirements could not be resolved to an installable set of packages.
Problem 1
- The requested package roadiz/roadiz ~1.0.0 exists as roadiz/roadiz[0.18.6, 0.19.6, 0.22.6, dev-develop, dev-feature/node-tree, dev-feature/reactjs-implementation, dev-feature/symfony3.2, dev-master, v0.1.0, v0.10.0, v0.10.1, v0.11.0, v0.11.1, v0.12.0, v0.12.1, v0.12.2, v0.13.0, v0.13.1, v0.13.2, v0.13.3, v0.14.0, v0.14.1, v0.15.0, v0.15.1, v0.16.0, v0.17.0, v0.18.0, v0.18.1, v0.18.2, v0.18.3, v0.18.4, v0.18.5, v0.19.0, v0.19.1, v0.19.10, v0.19.11, v0.19.12, v0.19.2, v0.19.3, v0.19.4, v0.19.5, v0.19.7, v0.19.8, v0.19.9, v0.19.x-dev, v0.2.0, v0.2.1, v0.20.0, v0.20.1, v0.20.10, v0.20.11, v0.20.12, v0.20.13, v0.20.14, v0.20.15, v0.20.16, v0.20.2, v0.20.3, v0.20.4, v0.20.5, v0.20.6, v0.20.7, v0.20.8, v0.20.9, v0.20.x-dev, v0.21.0, v0.21.1, v0.21.2, v0.21.3, v0.21.4, v0.21.5, v0.22.0, v0.22.1, v0.22.10, v0.22.11, v0.22.12, v0.22.13, v0.22.14, v0.22.15, v0.22.16, v0.22.17, v0.22.18, v0.22.19, v0.22.2, v0.22.20, v0.22.3, v0.22.4, v0.22.5, v0.22.7, v0.22.8, v0.22.9, v0.3.0, v0.4.0, v0.4.1, v0.5.0, v0.6.0, v0.7.0, v0.7.1, v0.8.0, v0.8.1, v0.8.2, v0.9.0, v0.9.1, v0.9.2, v0.9.3] but these are rejected by your constraint.
