![Uncaught exception ‘CFCredentials_Exception’ with message ‘No credentials were provided. [solved]](https://techblog.willshouse.com/wp-content/uploads/2012/12/uncaught-exception-cfcredentials_exception-with-message-no-credentials-were-provided-solved.jpg "Uncaught exception ‘CFCredentials_Exception’ with message ‘No credentials were provided. [solved]")
If you’re using the Amazon Web Services (AWS) SDK (Software Developer Kit) version 1.5 “Allegro” for PHP you may have noticed an error like:
Fatal error: Uncaught exception ‘CFCredentials_Exception’ with message ‘No credentials were provided. The SDK attempts to retrieve Instance Profile credentials from the EC2 Instance Metadata Service, but doing this requires the “default_cache_config” option to be set in the config.inc.php file or constructor. In order to cache the retrieved credentials.’ in #0 amazon-php-sdk/sdk-1.5.17.1/sdk.class.php:439
Stack trace:
amazon-php-sdk/sdk-1.5.17.1/services/ec2.class.php(155): CFRuntime->__construct(Array) #1
amazon-php-sdk/sdk-1.5.17.1/_samples/cli-ec2_sorting_and_filtering.php(59): AmazonEC2->__construct() #2 {main} thrown in
amazon-php-sdk/sdk-1.5.17.1/sdk.class.php on line 439
My solution was fairly simple – the PHP SDK download has a `config-sample.inc.php` file that you can copy to `config.inc.php` and then add your AWS key and secret key. After doing that you should be good to go.
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