Your attachment isn't in the post, so I'm just guessing.
Have you done a "select" to pull the output route out from the Solve?
The output of Solve is actually multiple layers. I have a feeling this, as your final output node is why you're getting the 00082 error (a datatype which GP Server can't return, but could draw in a result map service).
I'd recommend going through this help link and comparing what you have to the sample:
Sorry , I have now uploaded the model . I need advices :) I am looking on the link u sent to me.may be it would give me an idea.