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Response Object

Fatal error: Uncaught TypeError: sizeof(): Argument #1 ($value) must be of type Countable|array, string given in /home3/muchmor3/public_html/app/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php:176 Stack trace: #0 /home3/muchmor3/public_html/app/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php(176): sizeof('7S774114UU93388...') #1 /home3/muchmor3/public_html/app/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php(278): PayPal\Common\PayPalModel->_convertToArray(Array) #2 /home3/muchmor3/public_html/app/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php(175): PayPal\Common\PayPalModel->toArray() #3 /home3/muchmor3/public_html/app/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php(179): PayPal\Common\PayPalModel->_convertToArray(Array) #4 /home3/muchmor3/public_html/app/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php(278): PayPal\Common\PayPalModel->_convertToArray(Array) #5 /home3/muchmor3/public_html/app/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php(293): PayPal\Common\PayPalModel->toArray() #6 /home3/muchmor3/public_html/app/vendor/paypal/rest-api-sdk-php/sample/common.php(154): PayPal\Common\PayPalModel->toJSON(128) #7 /home3/muchmor3/public_html/app/vendor/paypal/rest-api-sdk-php/sample/common.php(72): ResultPrinter::printObject(Object(PayPal\Api\WebhookList), false) #8 /home3/muchmor3/public_html/app/vendor/paypal/rest-api-sdk-php/sample/common.php(102): ResultPrinter::printOutput('List all webhoo...', 'WebhookList', NULL, NULL, Object(PayPal\Api\WebhookList), false) #9 /home3/muchmor3/public_html/app/vendor/paypal/rest-api-sdk-php/sample/notifications/ListWebhooks.php(27): ResultPrinter::printResult('List all webhoo...', 'WebhookList', NULL, NULL, Object(PayPal\Api\WebhookList)) #10 {main} thrown in /home3/muchmor3/public_html/app/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php on line 176