Fix my website facebook pixel setting

I have many many products in my website and wanna use the Facebook catalogs re-targeting but I got erros like below read carefully before you bid the product and chat with us if you are really able to fix ************************************************************ The AddToCart event is missing the required parameter content_type How to fix: Make sure your site is properly installed with pixel code Please ensure that the event sends all the necessary parameters: content_ids, content_type. Learn more. For Facebook pixels, you can download Facebook Pixel Helper for Google Chrome to debug pixel triggers ****************************************************** I am using the shopify and I have input my Facebook Pixel ID in the backend SO I need someon to help me dig out what's wrong in my code and fix it also help me set up the correct Facebook catalogs re-targeting thanks p.s I am not sure what price is suitable so please quote your price