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Fatal error: Uncaught TypeError: mysqli_fetch_array(): Argument #1 ($result) must be of type mysqli_result, bool given in /home/marketappz/public_html/Shopify-Subscription-App/App/checkOrderPrice.php:72 Stack trace: #0 /home/marketappz/public_html/Shopify-Subscription-App/App/checkOrderPrice.php(72): mysqli_fetch_array(false) #1 /home/marketappz/public_html/Shopify-Subscription-App/App/checkOrderPrice.php(19): calculateChargePrice('qltQdZnWNE') #2 {main} thrown in /home/marketappz/public_html/Shopify-Subscription-App/App/checkOrderPrice.php on line 72