Google Analytics introduced some new field incompatibilities as of February 2023 in their API. All of these incompatibilities are listed bellow:
Item dimensions
The dimensions Item brand, Item category, Item category 2, Item category 3, Item category 4, Item category 5, Item ID, Item list ID, Item list name, Item name, Item promotion creative name, Item promotion ID, and Item promotion name are now incompatible with the following metrics:
Ad unit exposure
Event Count
Event Value
Conversions
Checkouts
Ecommerce purchases
Purchase revenue
Transactions
Add-to-carts
New Users
Publisher ad clicks
Publisher ad impressions
Views
User engagement
Item list clicks
Item list views
Item promotion clicks
Item promotion views
Item views
For more information, we suggest checking out the GA4 Dimensions & Metrics Explorer. It lists and describes all of the dimensions and metrics available and their compatibility.