Xdebug: [Step Debug] Could not connect to debugging client. Tried: localhost:9000 (through xdebug.client_host/xdebug.client_port) :-( No lock file found. Updating dependencies instead of installing from lock file. Use composer update over composer install if you do not have a lock file. Loading composer repositories with package information Updating dependencies Your requirements could not be resolved to an installable set of packages. Problem 1 - ocramius/proxy-manager[2.2.0, ..., 2.2.3] require ocramius/package-versions ^1.1.3 -> satisfiable by ocramius/package-versions[1.1.3, ..., 1.11.0]. - ocramius/package-versions[1.1.3, ..., 1.2.0] require composer-plugin-api ^1.0 -> found composer-plugin-api[2.0.0] but it does not match the constraint. - ocramius/proxy-manager[2.3.0, ..., 2.5.2] require php ^7.4.0 -> your php version (7.3.20) does not satisfy that requirement. - ocramius/package-versions[1.6.0, ..., 1.9.0] require php ^7.4.0 -> your php version (7.3.20) does not satisfy that requirement. - ocramius/package-versions[1.3.0, ..., 1.5.1] require composer-plugin-api ^1.0.0 -> found composer-plugin-api[2.0.0] but it does not match the constraint. - ocramius/proxy-manager[2.6.0, ..., 2.7.0] require php 7.4.* -> your php version (7.3.20) does not satisfy that requirement. - ocramius/proxy-manager 2.7.1 requires php 7.4.0 -> your php version (7.3.20) does not satisfy that requirement. - ocramius/package-versions[1.10.0, ..., 1.11.0] require php ^7.4.7 -> your php version (7.3.20) does not satisfy that requirement. - ocramius/proxy-manager[2.8.0, ..., 2.10.1] require php ~7.4.1 -> your php version (7.3.20) does not satisfy that requirement. - ocramius/proxy-manager[2.11.0, ..., 2.11.1] require php ~7.4.1 || ~8.0.0 -> your php version (7.3.20) does not satisfy that requirement. - Root composer.json requires ocramius/proxy-manager ^2.2 -> satisfiable by ocramius/proxy-manager[2.2.0, ..., 2.11.1]. ocramius/package-versions only provides support for Composer 2 in 1.8+, which requires PHP 7.4. If you can not upgrade PHP you can require composer/package-versions-deprecated to resolve this with PHP 7.0+. You are using Composer 2, which some of your plugins seem to be incompatible with. Make sure you update your plugins or report a plugin-issue to ask them to support Composer 2.