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Installing extension through extension manager failing on Component Dependency

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Installing extension through extension manager failing on Component Dependency

Hi,

 

I am currently helping my store to install an extension purchased through magento marketplace.

When I try to install it through extension manager, I passed all checks except Component Dependency.

 

Below is the message:

 

Check Component Dependency

We found conflicting component dependencies. Hide detail

Command "update" failed: Loading composer repositories with package information


[Composer\Downloader\TransportException] 
The "https://repo.magento.com/packages.json" file could not be downloaded: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution 
failed to open stream: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution 


update [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--lock] [--no-custom-installers] [--no-autoloader] [--no-scripts] [--no-progress] [--no-suggest] [--with-dependencies] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--apcu-autoloader] [--ignore-platform-reqs] [--prefer-stable] [--prefer-lowest] [-i|--interactive] [--root-reqs] [--] [<packages>]...

For additional assistance, see component dependency help .

 

I have been searching different solutions but seems nothing work. Would you please advice?