Hi,
When you press enter while in HTML edit mode, it inserts a line-break in ASPRunner, but in the template HTML page it inserts an unsupported character (looks like a square). When the smarty.asp page tries to read it, it crashes with the error "Unterminated string constant smarty.asp, line 262".
This is with ASPRunner 5.0, and I know it didn't do it in 4.1 because I used to do that all the time.