no importer for the file format can be found

I've just installed daz studio 4.9 but whenever i want to use the models its says "no importer for the file format can be found" WHAT SHOULD I DO ??? HELP PLEASE im an artist and im suffering with poses so i kinda need this really bad
Comments
How did you install the poses? DIM or manual?
Which models, and from wheer in the UI are you loading them?