Fatal error: Uncaught TypeError: Aws\Middleware::signer(): Argument #1 ($credProvider) must be of type callable, Aws\Credentials\Credentials given, called in /efs/theroot/wp-content/plugins/theroot-opensearch/opensearch.php on line 121 and defined in /efs/theroot/wp-content/plugins/theroot-opensearch/vendor/aws/aws-sdk-php/src/Middleware.php:145 Stack trace: #0 /efs/theroot/wp-content/plugins/theroot-opensearch/opensearch.php(121): Aws\Middleware::signer(Object(Aws\Credentials\Credentials), 'es', 'us-east-1') #1 /var/www/html/wp-includes/class-wp-hook.php(324): WP_AWS_OpenSearch_Integration->init_client('') #2 /var/www/html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(Object(WPMailSMTP\Tasks\Tasks), Array) #3 /var/www/html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #4 /var/www/html/wp-settings.php(727): do_action('init') #5 /var/www/html/wp-config.php(50): require_once('/var/www/html/w...') #6 /var/www/html/wp-load.php(50): require_once('/var/www/html/w...') #7 /var/www/html/wp-blog-header.php(13): require_once('/var/www/html/w...') #8 /var/www/html/index.php(17): require('/var/www/html/w...') #9 {main} thrown in /efs/theroot/wp-content/plugins/theroot-opensearch/vendor/aws/aws-sdk-php/src/Middleware.php on line 145