Failed to initialize the add-in "EvolveLAB Veras" because the assembly "EvolveLAB.Veras.dll" does not exist [solved]

If you are receiving the error below, we have a solution.

install fail

When installing the addin, you need to make sure that Revit is closed.
If you installed the addin while Revit was open, uninstall the addin and install it again with Revit closed.