Magento2 Composer install is not working. I'm getting an error when installing the composer in an existing project:

Magento2 Composer install is not working. I'm getting an error when installing the composer in an existing project:

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You need valid credentials from your Amasty account. It could be that the credentials you're using have expired..
Log into your Amasty account to check, and make sure you've added your amasty keys to auth.json