Trap Valentina license time limit

[Robert Brenstein]

>Can anyone, anyone at all, reply with a hyperlink to any documentation that
>describes this exception: ERR_INTERNAL_DEMO_TIMEOUT

It is just an execution-time error which you trap just like any other 
execution time error. You can just special-case it (by comparing the 
returned error number to the above constant) to display a different 
message to your user.

Robert