This error can occur if the short date format is not the same as the expected value in MetalTrax or GlassTrax. 

1. Go to your Control Panel - Clock, Language, and Region. In the Region section, click on the "Change date, time, or number formats" link. 

2. Make sure you are using the "English (United States)" language.

3. Make sure the short date format is M/D/YYYY