Your requirements could not be resolved to an installable set of packages. Problem 1 - spatie/icalendar-generator[2.5.2, ..., 2.5.6] require nesbot/carbon ^2.63 -> satisfiable by nesbot/carbon[2.63.0, ..., 2.72.1]. - spatie/icalendar-generator[2.5.0, ..., 2.5.1] require nesbot/carbon ^2.54 -> satisfiable by nesbot/carbon[2.54.0, ..., 2.72.1]. - nesbot/carbon 2.54.0 requires symfony/translation ^3.4 || ^4.0 || ^5.0 -> found symfony/translation[v3.4.0, ..., v3.4.47, v4.0.0, ..., v4.4.47, v5.0.0, ..., v5.4.31] but it conflicts with your root composer.json require (~7.0.0). - nesbot/carbon[2.55.0, ..., 2.72.1] require symfony/translation ^3.4 || ^4.0 || ^5.0 || ^6.0 -> found symfony/translation[v3.4.0, ..., v3.4.47, v4.0.0, ..., v4.4.47, v5.0.0, ..., v5.4.31, v6.0.0, ..., v6.4.2] but it conflicts with your root composer.json require (~7.0.0). - Root composer.json requires spatie/icalendar-generator ^2.5 -> satisfiable by spatie/icalendar-generator[2.5.0, ..., 2.5.6]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.