How to fix: Type unknown error

1. In your Manufacturer Center account, click Products on the navigation menu, then click Diagnostics.
2. Click the Item issues tab to see current issues affecting your products.

To download a list (.csv) of all affected items for all issues:

• Click the download button next to the filter button , beneath the graph and above the list of issues.

To download a list (.csv) of all affected items for a particular issue:

• Find the issue under the 'Issue' column, then click the download button at the end of the row.

To see a list of up to 50 products with this particular issue:

• Find the issue under the 'Issue' column, then click View samples in the 'Affected items' column.

1. Filter the downloaded report so that you can see the product with:
   'Issue title' = Type unknown
2. Update the value for the 3D model link [virtual_model_link] attribute with a 3D model that's in a supported format – glTF (.gltf) or GLB (.glb).

1. After you've updated your product data, resubmit it using one of these methods:
   • Upload a feed
   • Submit through the Content API
2. Next, check that you've fixed the issue by making sure that it's no longer listed on the Diagnostics page.

Bear in mind: It may take some time for your change to be reflected on the Diagnostics page.