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Fatal error: Uncaught TypeError: sizeof(): Argument #1 ($value) must be of type Countable|array, string given in /home/mesposnet/public_html/eksik/code/renew/paypal-sdk/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php:179 Stack trace: #0 /home/mesposnet/public_html/eksik/code/renew/paypal-sdk/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php(179): sizeof('T-Shirt of the ...') #1 /home/mesposnet/public_html/eksik/code/renew/paypal-sdk/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php(281): PayPal\Common\PayPalModel->_convertToArray(Array) #2 /home/mesposnet/public_html/eksik/code/renew/paypal-sdk/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php(296): PayPal\Common\PayPalModel->toArray() #3 /home/mesposnet/public_html/eksik/code/renew/paypal-sdk/paypal/rest-api-sdk-php/lib/PayPal/Api/Plan.php(355): PayPal\Common\PayPalModel->toJSON() #4 /home/mesposnet/public_html/eksik/code/renew/paypal-sdk/paypal/rest-api-sdk-php/sample/billing/CreatePlan.php(66): PayPal\Api\Plan->create(Object(PayPal\Rest\ApiContext)) #5 /home/mesposnet/public_html/eksik/code/renew/paypal-sdk/paypal/rest-api-sdk-php/sample/billing/UpdatePlan.php(14): require('/home/mesposnet...') #6 {main} thrown in /home/mesposnet/public_html/eksik/code/renew/paypal-sdk/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php on line 179