Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/http-foundation ~3.4, found symfony/http-foundation[v3.4.0, ..., v3.4.47] but these were not loaded, because they are affected by security advisories. To ignore the advisories, add ("PKSA-365x-2zjk-pt47", "PKSA-b35n-565h-rs4q") to the audit "ignore" config. To turn the feature off entirely, you can set "block-insecure" to false in your "audit" config. Problem 2 - Root composer.json requires symfony/http-kernel ~3.4, found symfony/http-kernel[v3.4.0, ..., v3.4.49] but these were not loaded, because they are affected by security advisories. To ignore the advisories, add ("PKSA-hr4y-jwk2-1yb9") to the audit "ignore" config. To turn the feature off entirely, you can set "block-insecure" to false in your "audit" config. Problem 3 - Root composer.json requires symfony/process ^3.4, found symfony/process[v3.4.0, ..., v3.4.47] but these were not loaded, because they are affected by security advisories. To ignore the advisories, add ("PKSA-wws7-mr54-jsny") to the audit "ignore" config. To turn the feature off entirely, you can set "block-insecure" to false in your "audit" config. Problem 4 - Root composer.json requires symfony/twig-bridge ~3.4, found symfony/twig-bridge[v3.4.0, ..., v3.4.47] but these were not loaded, because they are affected by security advisories. To ignore the advisories, add ("PKSA-ztgh-x9c8-k66g") to the audit "ignore" config. To turn the feature off entirely, you can set "block-insecure" to false in your "audit" config. Problem 5 - Root composer.json requires twig/twig ^1.0 || ^2.0, found twig/twig[1.3.0, ..., v1.44.8, v2.0.0, ..., v2.16.1] but these were not loaded, because they are affected by security advisories. To ignore the advisories, add ("PKSA-yhcn-xrg3-68b1", "PKSA-2wrf-1xmk-1pky") to the audit "ignore" config. To turn the feature off entirely, you can set "block-insecure" to false in your "audit" config. Problem 6 - php-webdriver/webdriver is locked to version 1.13.1 and an update of this package was not requested. - php-webdriver/webdriver 1.13.1 requires symfony/process ^2.8 || ^3.1 || ^4.0 || ^5.0 || ^6.0 -> found symfony/process[v2.8.0, ..., v2.8.52, v3.1.0, ..., v3.4.47, v4.0.0, ..., v4.4.44, v5.0.0, ..., v5.4.47, v6.0.0, ..., v6.4.26] but these were not loaded, because they are affected by security advisories. To ignore the advisories, add ("PKSA-wws7-mr54-jsny") to the audit "ignore" config. To turn the feature off entirely, you can set "block-insecure" to false in your "audit" config. Problem 7 - laravel/homestead is locked to version v7.20.0 and an update of this package was not requested. - laravel/homestead v7.20.0 requires symfony/process ~3.3|~4.0 -> found symfony/process[v3.3.0, ..., v3.4.47, v4.0.0, ..., v4.4.44] but these were not loaded, because they are affected by security advisories. To ignore the advisories, add ("PKSA-wws7-mr54-jsny") to the audit "ignore" config. To turn the feature off entirely, you can set "block-insecure" to false in your "audit" config. Problem 8 - Root composer.json requires phpbb/epv dev-master -> satisfiable by phpbb/epv[dev-master]. - phpbb/epv dev-master requires symfony/process ^3.0 || ^4.0 || ^5.0 || ^6.0 -> found symfony/process[v3.0.0, ..., v3.4.47, v4.0.0, ..., v4.4.44, v5.0.0, ..., v5.4.47, v6.0.0, ..., v6.4.26] but these were not loaded, because they are affected by security advisories. To ignore the advisories, add ("PKSA-wws7-mr54-jsny") to the audit "ignore" config. To turn the feature off entirely, you can set "block-insecure" to false in your "audit" config.