Just an update on the situation. It looks like the site is the target of a bot attack, which is continuing. However, I'm putting some defences in place that should start to take effect over the next 24 hours.
Again your asking but not listening there is answers out there some free, some at a cost as I said before search for Triangulation by YMG here at cadtutor.
I found it for you.
TriangV0.5.9.LSP
A few days late on reading this. Looks like it's already been resolved, but I also have this one lying around. It works, but a little TOO well in my opinion. Just fyi.
AD-Automatic Dimension Autocad.LSP
Just use revcloud and Object option again with the new arc length, click on the old revcloud. You should get a new revcloud with the new arc length, delete the old one. You might be able to automate this with a script or LISP.