Jul 7 2020
This is causing every use of Wikidata Infobox on Commons to fail and break the automatically populated categories for humans to be broke. As cache expires it's only going to get worst. I'd categorize this as UBN.
May 7 2020
Worth noting that Commons template Wikidata Infobox is extensively used on Commons categories. For categories on humans, it also adds given name categories, surname categories, and DEFAULTSORT. An example is https://commons.wikimedia.org/wiki/Category:Edward_Everett_Horton