The acquia_cms_search module is not compatible with the Drupal core search module.
packages.json file could not be downloaded. You can find the file in
the following location:
If you installed ACMS through
acquia/acquia-cms-project (deprecated), you must remove the entry for
asset-packagist.org from your
composer.json file. For more information,
see Removing Asset Packagist.
After you remove the source entry for
asset-packagist.org, you must run
composer update, commit, and deploy the resulting changes to you