Yes I think it's an OOTB issue, but I didn't open a ticket with Adobe.

If you need to export the tags for reporting purposes, you can use the querydebug, for example:http://localhost:4502/libs/cq/search/content/querydebug.html?_charset_=UTF-8&query=path%3D%2Fetc%2Ftags%2Fgeometrixx-media%0D%0Atype%3Dcq%3ATag%0D%0AThen export the results as json and use an online tool t...

I ran into the same issue and I found a workaround to avoid the error. Copy the author.html script from "/libs/wcm/foundation/components/page" (I'm assuming your page inherits from sightly base page) and modify line 20:<sly data-sly-test="${wcmInit.templateCategories}" data-sly-call="${clientLib.css...