prototype 1.6 in openspace

Question

Hi,

I have set up a map using openspace which I believe uses, in part, prototype 1.4.

It works, but when I try to add prototype 1.6.0 i get the error:

Failed to load resource: the server responded with a status of 414 (Request-URI Too Large)

its actually the url + the rest of the code appended to it. am i not able to use prototype & openspace together?

Thanks