suspended microstrip WG

the design has no boundary no excitation and objects interset.
and some objects have not be assigned with material.
also i don't kown what the design is used for ?
wave guid? connector ? or others?

fisrt of all thanks for taking a look at my drawing. i don't know whay my excitation didn't show on the attached file. however, i am trying to sim a suspended stripline, which have quartz substrat (eps= 3.8) and air filed WG. i hope someone can help
Bouchy

Added after 13 minutes:

i forget to attached the new file