If you are having trouble selecting your feed in your Google Ads standard shopping or performance max campaigns using feed labels, then the issue will be due to a missing feed label value when your data feed has been setup.
How To Fix?
Google Merchant Center Classic
- Log in to Google Merchant Center
- Go to Products
- Select Feeds
- Select your feed
- Select the settings tab
- Click on the 3dot menu
- Select add feed label (advanced)
- Add your ISO 2 Country Code (if you don’t know this value, then search for it on Google, or use any value you like)
- Click on Add