Recently a coworker of mine discovered a weird glitch with Revit. It pertained to view naming.
If you have ever tried to rename a view with the following characters, \:{}[]|;<>? or any non printable characters. Your promptly receive this error.
He discovered that this restriction does not exist when creating a new drafting view, but has a major issue when involving the <>
I illustrate the issue below. (Just so you all know, I have sent the error previously as well.)