Installation failed, reverting ./composer.json to its original content.

[naveedjadoon]

Hi! i tried to install drupal console on my site and its not working and giving me this error "Installation failed, reverting ./composer.json to its original content."

iMac:newtheming abyte$ composer require drupal/console ./composer.json has been updated Loading composer repositories with package information Updating dependencies (including require-dev) Nothing to install or update Package zendframework/zend-diactoros is abandoned, you should avoid using it. Use laminas/laminas-diactoros instead. Package zendframework/zend-escaper is abandoned, you should avoid using it. Use laminas/laminas-escaper instead. Package zendframework/zend-feed is abandoned, you should avoid using it. Use laminas/laminas-feed instead. Package zendframework/zend-stdlib is abandoned, you should avoid using it. Use laminas/laminas-stdlib instead. Writing lock file Generating autoload files Hardening vendor directory with .htaccess and web.config files. Cleaning vendor directory. Scaffolding files for drupal/core:

• Copy [project-root]/.editorconfig from assets/scaffold/files/editorconfig
• Copy [project-root]/.gitattributes from assets/scaffold/files/gitattributes
• Copy [web-root]/.csslintrc from assets/scaffold/files/csslintrc
• Copy [web-root]/.eslintignore from assets/scaffold/files/eslintignore
• Copy [web-root]/.eslintrc.json from assets/scaffold/files/eslintrc.json
• Copy [web-root]/.ht.router.php from assets/scaffold/files/ht.router.php
• Copy [web-root]/.htaccess from assets/scaffold/files/htaccess
• Copy [web-root]/example.gitignore from assets/scaffold/files/example.gitignore
• Copy [web-root]/index.php from assets/scaffold/files/index.php
• Copy [web-root]/INSTALL.txt from assets/scaffold/files/drupal.INSTALL.txt
• Copy [web-root]/README.txt from assets/scaffold/files/drupal.README.txt
• Copy [web-root]/robots.txt from assets/scaffold/files/robots.txt
• Copy [web-root]/update.php from assets/scaffold/files/update.php
• Copy [web-root]/web.config from assets/scaffold/files/web.config
• Copy [web-root]/sites/README.txt from assets/scaffold/files/sites.README.txt
• Copy [web-root]/sites/development.services.yml from assets/scaffold/files/development.services.yml
• Copy [web-root]/sites/example.settings.local.php from assets/scaffold/files/example.settings.local.php
• Copy [web-root]/sites/example.sites.php from assets/scaffold/files/example.sites.php

Installation failed, reverting ./composer.json to its original content.

[RuntimeException]
Could not delete /Applications/MAMP/htdocs/newtheming/sites/default/default.services.yml:

require [--dev] [--prefer-source] [--prefer-dist] [--no-progress] [--no-suggest] [--no-update] [--no-scripts] [--update-no-dev] [--update-with-dependencies] [--update-with-all-dependencies] [--ignore-platform-reqs] [--prefer-stable] [--prefer-lowest] [--sort-packages] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--apcu-autoloader] [--] []...

[gorkaguerrero]

You dont have permissions in /sites/default folder (probably is 555). Changing temporarely to 755 before doing composer and back to 555 after should do the trick, but IMO is not the best solution