SharePoint Embedded Page: Promoted Links Error

Question

After a migration to 2016, site pages with promoted links started throwing errors. There's no problem when accessing the pages directly; however, when you access the page as an embedded page through another site, it's broken. There's no issue with regular list views displaying.

This error is displayed: TypeError: Cannot read property 'UseClientSideTheming' of undefined

Please let me know if any other information is needed. Any help would greatly be appreciated.

Answer 1

Are you using the Promoted Links list as web part on a page? How do you embed the links on another site page?
Do you have trouble if you use the iframe mark up in embed code on page? Please explain a bit further if you are using a different method for the promoted links and the embedding.

It seems that you have some custom code on the embed page (using the property UseClientSideTheming) that fails to render.
Try the embed code on another page that does not have customization and see if you can reproduce this issue.

See a post with similar error here: Uncaught TypeError: Cannot read property 'get_current' of undefined.

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