Title: White Screen 500 Error
Last modified: December 26, 2018

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# White Screen 500 Error

 *  [dreiundzwanzig](https://wordpress.org/support/users/dreiundzwanzig/)
 * (@dreiundzwanzig)
 * [7 years, 4 months ago](https://wordpress.org/support/topic/white-screen-500-error/)
 * When I download the AWS Polly plugin and active. It goes to a white screen.
 * WordPress Debug:
 * Fatal error: Uncaught Error: Call to undefined method GuzzleHttp\Psr7\Uri::composeComponents()
   in ~//wp-content/plugins/amazon-polly/vendor/guzzlehttp/psr7/src/UriResolver.
   php:102 Stack trace: #0 ~//wp-content/plugins/amazon-polly/vendor/aws/aws-sdk-
   php/src/Api/Serializer/RestSerializer.php(217): GuzzleHttp\Psr7\UriResolver::
   resolve(Object(GuzzleHttp\Psr7\Uri), Object(GuzzleHttp\Psr7\Uri)) #1 ~//wp-content/
   plugins/amazon-polly/vendor/aws/aws-sdk-php/src/Api/Serializer/RestSerializer.
   php(48): Aws\Api\Serializer\RestSerializer->buildEndpoint(Object(Aws\Api\Operation),
   Array, Array) #2 ~//wp-content/plugins/amazon-polly/vendor/aws/aws-sdk-php/src/
   Middleware.php(96): Aws\Api\Serializer\RestSerializer->__invoke(Object(Aws\Command))#
   3 ~//wp-content/plugins/amazon-polly/vendor/aws/aws-sdk-php/src/Middleware.php(
   80): Aws\Middleware::Aws\{closure}(Object(Aws\Command), NULL) #4 /home/rqqade/
   public_ in ~//wp-content/plugins/amazon-polly/vendor/guzzlehttp/psr7/src/UriResolver.
   php on line 102
 * My Server:
    Apache/2.4.29 (Ubuntu) PHP: 7.2.13-1+ubuntu18.04.1+deb.sury.org+1
   PHP Post Max Size: 38 MB cURL-Version: 7.58.0, OpenSSL/1.1.1

Viewing 1 replies (of 1 total)

 *  Plugin Contributor [tstachlewski](https://wordpress.org/support/users/tstachlewski/)
 * (@tstachlewski)
 * [7 years, 3 months ago](https://wordpress.org/support/topic/white-screen-500-error/#post-11208961)
 * Hi [@dreiundzwanzig](https://wordpress.org/support/users/dreiundzwanzig/),
    Was
   it the latest plugin version?
 * Cheers,
    Tomasz

Viewing 1 replies (of 1 total)

The topic ‘White Screen 500 Error’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [tstachlewski](https://wordpress.org/support/users/tstachlewski/)
 * Last activity: [7 years, 3 months ago](https://wordpress.org/support/topic/white-screen-500-error/#post-11208961)
 * Status: not resolved