I've never had that problem before. (I'm still on 2011) Just saying line 762 isn't going to be helpful though. You need to give them the name of the source file that's erroring as well.
You must have missed the last part of the paragraph.....
...
I started seeing the pattern over the last two weeks and thought it was very odd that it is always the exact same line. Not sure what it means but sent Autodesk half a dozen different scene files that all have that problem to see if they can make sense of it.
"If I have seen further it is by standing on the shoulders of giants." Sir Isaac Newton, 1675