Err Message: Resolve Only Supports XML 1.3,1.4,1.5

Guys,
Im getting an error message when I try and import a Final Cut XML 1.8. Resolve only supports XML files 1.3, 1.4, and 1.5. Why is this? I am using Final Cut 10.4.3 and Resolve 14.3.
Im getting an error message when I try and import a Final Cut XML 1.8. Resolve only supports XML files 1.3, 1.4, and 1.5. Why is this? I am using Final Cut 10.4.3 and Resolve 14.3.