The dependencies of your project could not be installed
- Read doc
- Uninsured
- Critical
More information: https://insight.symfony.com/what-we-analyse/composer.dependencies_not_installable
No composer.lock file present. Updating dependencies to latest instead of installing from lock file. See https://getcomposer.org/install for more information. Loading composer repositories with package information Updating dependencies Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpoffice/phpspreadsheet ^4.0.0 -> satisfiable by phpoffice/phpspreadsheet[4.0.0, ..., 4.5.0]. - Root composer.json requires roave/security-advisories dev-latest -> satisfiable by roave/security-advisories[dev-latest]. - roave/security-advisories dev-latest conflicts with phpoffice/phpspreadsheet <1.30|>=2,<2.1.12|>=2.2,<2.4|>=3,<3.10|>=4,<5.