database reading error

When opening from OBD Connect Edition, I accidentally double clicked on the Leap Bridge Concrete button, and it tried to open up 2 instances of the file. It generated an error, I don't remember which one, and now it won't open my file. I'm afraid I lost all of my work!

I am receiving the notice:
 

But no matter which option I select, it begins loading my file, but I end up getting this notice:

Then it closes down LEAP Bridge Concrete.

What can I do to restore my file? Please help.

Additionally, it is very difficult to remember to only single click, when opening. Are others having issues by accidentally double clicking instead of single clicking at this window? If others have similar issues, then I think the programming should be revised.

Thank you,

Greg

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