MACOSX client 12.1.6 MP2 unable to import on SEPM 12.1.5

Hello All,

I am trying to add the latest MACOSX AV package on SEPM 12.1.5. I receive the error "you cannot add this client install package because the package contains a single.EXE file. The sylink.xml file is missing or currupted in this package."

Do I have to upgrade my SEPM to the latest version in order to add the package or is there another way to add the package?