billboyles

I can definitely change that. However, it was working fine for months earlier this year and last year with this exact setup, That also still does not really explain where...

This does not appear to have resolved the issue. This is the GA4 client side tag sent to server:  Note contents array: ``` { "name": "x-fb-cd-contents", "value": [ {...

Removing the contents array entirely just gets me back to the original issue. It's not required, so I was hoping I could at least get purchase tracking back by sending...

Ultimately, the issue seems to be that the FB CAPI tag is taking this: ``` "items": [ { "name": "Sausage Biscuit Combo", "price": 5, "quantity": 1, "sku": 41263689 } ]...

These issues seem related: https://github.com/facebookincubator/ConversionsAPI-Tag-for-GoogleTagManager/issues/20 https://github.com/facebookincubator/ConversionsAPI-Tag-for-GoogleTagManager/issues/27

In this case, "sku" is a carryover from older UA ecommerce, where [it was a required field](https://support.google.com/tagmanager/answer/6107169?hl=en). From the Google side, GA4 definitely doesn't _require_ "item_id". After all, it's working...

That's actually not a bad suggestion. Thanks!

I noticed a similar issue today trying to send "x-fb-cd-contents": https://github.com/facebookincubator/ConversionsAPI-Tag-for-GoogleTagManager/issues/37#issuecomment-1165906573