Fatal error: Uncaught TypeError: sizeof(): Argument #1 ($value) must be of type Countable|array, string given in /DATA/ekountun/public_html/sawunggaling/salesv3/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php:176 Stack trace: #0 /DATA/ekountun/public_html/sawunggaling/salesv3/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php(176): sizeof('T-Shirt of the ...') #1 /DATA/ekountun/public_html/sawunggaling/salesv3/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php(278): PayPal\Common\PayPalModel->_convertToArray(Array) #2 /DATA/ekountun/public_html/sawunggaling/salesv3/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php(293): PayPal\Common\PayPalModel->toArray() #3 /DATA/ekountun/public_html/sawunggaling/salesv3/vendor/paypal/rest-api-sdk-php/lib/PayPal/Api/Plan.php(355): PayPal\Common\PayPalModel->toJSON() #4 /DATA/ekountun/public_html/sawunggaling/salesv3/vendor/paypal/rest-api-sdk-php/sample/billing/CreatePlan.php(66): PayPal\Api\Plan->create(Object(PayPal\Rest\ApiContext)) #5 /DATA/ekountun/public_html/sawunggaling/salesv3/vendor/paypal/rest-api-sdk-php/sample/billing/UpdatePlan.php(14): require('/DATA/ekountun/...') #6 /DATA/ekountun/public_html/sawunggaling/salesv3/vendor/paypal/rest-api-sdk-php/sample/billing/CreateBillingAgreementWithCreditCard.php(12): require('/DATA/ekountun/...') #7 /DATA/ekountun/public_html/sawunggaling/salesv3/vendor/paypal/rest-api-sdk-php/sample/billing/GetBillingAgreement.php(11): require('/DATA/ekountun/...') #8 /DATA/ekountun/public_html/sawunggaling/salesv3/vendor/paypal/rest-api-sdk-php/sample/billing/SearchBillingTransactions.php(11): require('/DATA/ekountun/...') #9 {main} thrown in /DATA/ekountun/public_html/sawunggaling/salesv3/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalModel.php on line 176