Resolve Breadcrumbs Not Showing Commerce Categories on the Product Display Page

To display the primary Commerce Category in the Breadcrumb Navigation on the Product Display page.

• Set the Category you wish to display in the Breadcrumbs as Primary. For more information see article 51639 Assign Items to a Commerce Category
• Ensure Commerce Categories is added to the Details Field Set. For more information see article 51653 Add Commerce Categories to Website Field Sets
• Ensure Commerce Categories is added to the Search Index. For more information see article 51654 Add Commerce Categories to Website Search Index

If you require more than three levels for the Bread Crumb navigation

1. Navigate to Commerce > Websites > Configuration
2. Select Website: Select the target Web Site
3. Select Domain: Select the target Domain
4. Click Configure
5. Click Integrations tab
6. Click Categories subtab
7. Category Menu Level Deepness: Increase the value Example: 4
8. Click Save