root@ls-main:/var/www/pterodactyl# rm -rf node_modules/
root@ls-main:/var/www/pterodactyl# yarn 
yarn install v1.22.21
[1/5] Validating package.json...
[2/5] Resolving packages...
[3/5] Fetching packages...
[4/5] Linking dependencies...
warning " > @preact/signals-react@1.2.1" has incorrect peer dependency "react@17.x || 18.x".
warning " > styled-components@5.2.1" has unmet peer dependency "react-is@>= 16.8.0".
warning " > styled-components-breakpoint@3.0.0-preview.20" has incorrect peer dependency "@types/styled-components@^4.1.19".
warning " > styled-components-breakpoint@3.0.0-preview.20" has incorrect peer dependency "styled-components@>= 1 <= 4".
warning " > xterm-addon-search-bar@0.2.0" has incorrect peer dependency "xterm-addon-search@^0.5.0".
warning " > redux-devtools-extension@2.13.8" has unmet peer dependency "redux@^3.1.0 || ^4.0.0".
[5/5] Building fresh packages...
Done in 4.77s.
root@ls-main:/var/www/pterodactyl# yarn add cross-env
yarn add v1.22.21
[1/5] Validating package.json...
[2/5] Resolving packages...
[3/5] Fetching packages...
[4/5] Linking dependencies...
warning " > @preact/signals-react@1.2.1" has incorrect peer dependency "react@17.x || 18.x".
warning " > styled-components@5.2.1" has unmet peer dependency "react-is@>= 16.8.0".
warning " > styled-components-breakpoint@3.0.0-preview.20" has incorrect peer dependency "@types/styled-components@^4.1.19".
warning " > styled-components-breakpoint@3.0.0-preview.20" has incorrect peer dependency "styled-components@>= 1 <= 4".
warning " > xterm-addon-search-bar@0.2.0" has incorrect peer dependency "xterm-addon-search@^0.5.0".
warning " > redux-devtools-extension@2.13.8" has unmet peer dependency "redux@^3.1.0 || ^4.0.0".
[5/5] Building fresh packages...
success Saved lockfile.
warning "cross-env" is already in "devDependencies". Please remove existing entry first before adding it to "dependencies".
success Saved 1 new dependency.
info Direct dependencies
└─ cross-env@7.0.3
info All dependencies
└─ cross-env@7.0.3
Done in 2.19s.
root@ls-main:/var/www/pterodactyl#