How do I make older content work in TS 12.
Now there's the $64,000 question:hehe:
It really and truly depends entirely on the asset.
One thing you can do is get PEV's asset X and the rest of his tools, read their help files, reread their help files, those tools will go a long way in fixing about 70% now the other 30% is just all going to depend on the asset.
Some are going to be obsolete tags, some will be scripts to just absolutely will not work without rewriting the script. It's just not something that someone can just give you an answer to in a forum.
My best advice to you besides getting the tools mentioned above, if you have a bad asset, CLONE IT and then open it in CCP. CCP will tell you what's wrong with the asset sometimes it can be as easy as deleting a few errant entries, sometimes replacing something like a Corona with a built-in one, it's just strictly going to be trial and error for about 30% of the assets out there.
If you're trying to bring older older older routes into TS12, what I would do if I were you, get a copy of 2010 and bring the route into that, then use the asset replace tool in surveyor and dump anything that's marginally faulty and replace it with something built-in to 2010.
That's what I would do anyway.