Shipping is significant information which needs to be updated in Google Merchant Center when it comes to running Shopping Ads
AdNabu automatically copies your Shipping details from Shopify to Google Merchant Center. In case you have missed enabling the shipping settings during the onboarding process, you can follow the steps below:
Step 1: Click on Settings>Merchant Center
Step 2: Click on Copy Shipping Settings and your shipping details will be copied to Google Merchant Center
You can also watch the video for steps.