Option variant - for canonical TargetFrameworkOverride was already defined for canonical skipRestore
   at Microsoft.TemplateEngine.Cli.ExtendedCommandParser.MapTemplateParamToCanon
ical(String variant, String canonical)
   at Microsoft.TemplateEngine.Cli.ExtendedCommandParser.SetupTemplateParameters
(IParameterSet allParams, IReadOnlyDictionary`2 longNameOverrides, IReadOnlyDict
ionary`2 shortNameOverrides)
   at Microsoft.TemplateEngine.Cli.New3Command.ParseTemplateArgs(ITemplateInfo t
emplateInfo)
   at Microsoft.TemplateEngine.Cli.New3Command.<EnterSingularTemplateManipulatio
nFlowAsync>d__64.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNot
ification(Task task)
   at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1.ConfiguredTaskAw
aiter.GetResult()
   at Microsoft.TemplateEngine.Cli.New3Command.<EnterTemplateManipulationFlowAsy
nc>d__65.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNot
ification(Task task)
   at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1.ConfiguredTaskAw
aiter.GetResult()
   at Microsoft.TemplateEngine.Cli.New3Command.<ExecuteAsync>d__66.MoveNext()