Studio Néon review for TT ‑ Breadcrumbs & SEO Schema

I've download this app for 2 things : to display breadcrumbs and to display breadcrumbs enhancement in my GSC. First objective was claimed perfectly Second objective came with a disaster ... Meanwhile Breadcrumbs enhancement started to display correctly all my other google enhancement (logo, FAQ, review rich snippet) started to disappear since the day I've installed the app. Leading to a massive collapse in my rich snippets impressions on the SERP. Talked to the support, saying that everything was fine despite of screen shots and access to the GSC provided