We’re sorry you’re having trouble with the breadcrumb schema error. I imagine this can be frustrating for you. We’d like to look a closer look.
Could you please go to SEO > Search Appearance > Breadcrumbs(tab) and check if the Anchor text for the Homepage field is empty? Is so, input a text Home and update the setting. Next, check the URL https://learnnes.com/ via Rich Results Testing Tool. Do you still see the error?
Do not forget to clear all your caching from your theme, plugin, server, CDN like CloudFlare or browser. If you are not sure how to clear caching from theme/plugin please speak to those authors. If you want to clear cache from the server, please speak to your host provider. To clear the cache from a browser use this guide: https://kb.yoast.com/kb/how-to-clear-my-browsers-cache/.