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Drupal composer [ComposerDownloaderTransportException] The "drupal.org/packages.json" file could not be downloaded (HTTP/1.1 404 Not Found)

In Drupal 8.9.x, After composer cache-clear. I am getting this error [ComposerDownloaderTransportException] The "drupal.org/packages.json" file could not be downloaded (HTTP/1.1 404 Not Found) .

I can’t run the composer install or composer update.

I tried to remove the vendor folder & composer.lock files too.

Even i tried,

But no luck.

is something wrong? before the composer cache clear it was working fine. it happens only on after composer cache clear. Any help appreciated.

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Drupal composer [ComposerDownloaderTransportException] The "drupal.org/packages.json" file could not be downloaded (HTTP/1.1 404 Not Found)

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