Here is how you can fix the missing age-group error using the Google Shopping Feed app by AdNabu
Age group is a mandatory feature if you are selling products like clothes and apparel, and accessories. This helps your ads appear in relevant search results.
There are 5 defined age groups available to group your products:
Whenever you get an error of missing age-group error, you can easily fix it using AdNabu:
Step 1: Select the category of products that are available for a particular age group, and then click on the 'Edit products' button:
Step 2: Select 'age-group' from the fields to edit dropdown, select the value, and submit the request.
Once the request is submitted, it will take a couple of minutes, and the field will be added across your products.
Click on the Update feed button, and you will notice that the error will be removed after some time.