A week or more ago google releases its new Google Search Console enhancement report for breadcrumb markup but unfortunately, that report itself contains a bug in it.
Also Read: Breadcrumbs Structure Data Added to Search Console Enhancement Report: Google
Google on their page said that they have fixed an error in the breadcrumb validation because of that the user is having less error in their breadcrumb report going forward. Google says this happened on 26 September and doesn’t have any end date to it. Google will keep posted about the same on a regular basis.