Matthias Schlomann wrote If you are logged in as a host you can't by default settings delete.  The Host have no admin rights.  So please add the Host user to the Edit permissions, or login as a admin.  I am sure you can then delete that post.

Matthias - Thanks again for your response on this matter. I have logged in as Host as well as Admin and am not able to delete the post/thread because once I click on the thread to open (and therefore delete) I receive the following error message: A critical error has occurred. Value cannot be null. Parameter name: value. Is there another way to delete the thread/post? Thank you for you patience and assistance in this matter. Have a great day!