Your code says that there is no snippet with the name "breadcrumb.liquid". You should find it. If you can not find it, you can create it: https://shopify.dev/tutorials/customize-theme-add-breadcrumbs. Don't forget it to name not breadcrumbs.liquid but breadcrumb.liquid.
Also, you have you sidebar snippet missing and a couple of other snippets as well. That is theme specific.
Here are original Brooklyn theme snippets:
There are no such snippets. It means you have a customized theme, and you should or find the author, or hire someone, or to manage those missing files by yourself.