Error with Volt won't run project

I got this error again - checked the serial number in About - it is correct. In Preferences, it has the right Volt login. What should I do to resolve this? How about also what to do to avoid it in the future? thanks

Would you DM me a copy of the Preferences and About screens? (Do not post the information here. We would have to change the serial number again!)

how do I DM you?

You could email me directly gh(at)nsbasic.com, or do it here.

I emailed them to you George. Please let me know how to fix - I’ll need it for class on Monday. Thanks