Fatal error: Uncaught Exception: Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1<br />Error No: 1064<br />SELECT price, tax_class_id FROM oc_product WHERE product_id = in /home/mchughgroup/public_html/mchughs.ie/storage/modification/system/library/db/mysqli.php:40 Stack trace: #0 /home/mchughgroup/public_html/mchughs.ie/storage/modification/system/library/db.php(58): DB\MySQLi->query('SELECT price, t...') #1 /home/mchughgroup/public_html/mchughs.ie/public_html/system/library/google_marketing_tools/master.php(745): DB->query('SELECT price, t...') #2 /home/mchughgroup/public_html/mchughs.ie/public_html/system/library/google_marketing_tools/data_layer.php(62): google_marketing_tools\Master->get_product_prices(Array) #3 /home/mchughgroup/public_html/mchughs.ie/storage/modification/catalog/controller/product/product.php(697): google_marketing_tools\data_layer->format_product_details(Array) #4 /home/mchughgroup/public_html in /home/mchughgroup/public_html/mchughs.ie/storage/modification/system/library/db/mysqli.php on line 40