I'm trying to connect the FB pixel, but when I go into FB events manager to set the pixel up, I'm unable to follow the steps in Shopify as required by FB.
Instead of pasting my pixel ID, Shopify takes me through a FB sales channel setup and when I get to the point where I have to connect my ad account, I get an error message saying I can't connect more than one account.
The problem is that I never set up any account before, so why is the an account already registered?
We have a guide on how to add Facebook pixel to Shopify. You can take a look at it here and make sure you followed the step-by-step guide carefully. Hope it helps!