I Can't delete CMS collection

I have deleted every single cms linked item on my site but i still can’t delete my cms collections for blog and team members. I try to delete author on blog so i can delete team members since its being referenced but then it say s it being used by collection pages. I’m so frustrated and this is my firs time on here so idk if i used the correct link, please help. thanks

Can you share your readonly designer link?

https://help.webflow.com/hc/en-us/articles/33961254829843-Share-your-site-and-invite-collaborators