Add a valid value for the required attributes for this item
In this article
Why this issue is happening
For one or more of your products, no value was included for one of the required attributes for vehicle ads, such as the link template [link_template] attribute. As a result, your offer has been disapproved.
How to fix your issue
To resolve this issue, you must submit a valid value for the required attributes for vehicle ads.
Fix products one by one directly in Merchant Center
Go to Products in Merchant Center, then select the Needs attention tab.
Use the filter icon 
above the table to find all products affected by your issue.
Click on the title of the product you want to fix, then click Edit product.
Add a valid value for the required attributes.
Select Save.
Fix multiple products at once
Go to Products in Merchant Center, then select the Needs attention tab.
Use the filter icon above the table to find all products affected by your issue.
Select the Download icon 
to download a list (.csv) of all affected products for all issues or this particular issue.
Cross reference the downloaded list with your uploaded product data, and make sure to add a valid value for the required attributes.
Reupload your corrected product data to Merchant Center using your chosen upload method.
Next steps
After making the requested changes, check that you’ve fixed the issue by making sure it’s no longer listed on the “Needs attention” page.
Keep in mind: It may take some time for your change to be reflected on the “Needs attention” page.