sample projects broken

when I run the example projects I receive the error below when execution attempts to new a Database class:

System.ArgumentNullException was unhandled
Message=Value cannot be null.
Parameter name: format
Source=mscorlib
ParamName=format
StackTrace:
at System.String.Format(IFormatProvider provider, String format, Object[] args)
at RedGate.SQLToolkit.Engine.Licensing.ToolkitLicenceProvider.GetLicense(LicenseContext context, Type type, Object instance, Boolean allowExceptions)
at System.ComponentModel.LicenseManager.ValidateInternalRecursive(LicenseContext context, Type type, Object instance, Boolean allowExceptions, License& license, String& licenseKey)
at System.ComponentModel.LicenseManager.ValidateInternal(Type type, Object instance, Boolean allowExceptions, License& license)
at System.ComponentModel.LicenseManager.Validate(Type type, Object instance)
at RedGate.SQLCompare.Engine.Database..ctor()
at SQLDataCompareCodeSnippets.ProjectExample.RunExample() in C:\Program Files\Red Gate\SQL Comparison SDK 10\Samples\Automating SQL Data Compare\C#\ProjectExample.cs:line 28
at SQLDataCompareCodeSnippets.Program.Main() in C:\Program Files\Red Gate\SQL Comparison SDK 10\Samples\Automating SQL Data Compare\C#\Program.cs:line 63
at System.AppDomain._nExecuteAssembly(Assembly assembly, String[] args)
at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()
InnerException: