The job was canceled because "_7_4__4_3__2_0_false" failed.

Your requirements could not be resolved to an installable set of packages. Problem 1 - symfony/twig-bundle[v3.4.0, ..., v3.4.26] require twig/twig ~1.34|~2.4 -> found twig/twig[v1.34.0, ..., v1.44.7, v2.4.0, ..., v2.16.0] but it conflicts with your root composer.json require ( ^3.4). - symfony/twig-bundle[v3.4.27, ..., v3.4.30] require twig/twig ~1.40|~2.9 -> found twig/twig[v1.40.0, ..., v1.44.7, v2.9.0, ..., v2.16.0] but it conflicts with your root composer.json require ( ^3.4). - symfony/twig-bundle[v3.4.31, ..., v3.4.47] require twig/twig ~1.41|~2.10 -> found twig/twig[v1.41.0, ..., v1.44.7, v2.10.0, ..., v2.16.0] but it conflicts with your root composer.json require ( ^3.4). - Root composer.json requires symfony/twig-bundle ^3.0 || ^4.0 -> satisfiable by symfony/twig-bundle[v3.4.0, ..., v3.4.47]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.