UFFI - Help

Hi, 
I am new to Boyum, I am trying to figure out UFFI, I found this page on the site and I tried to get it to work, but its not working.

https://support.boyum-it.com/hc/en-us/articles/204982377-UFFI-Import-Purchase-Invoice

I am getting this error...  Does anyone have an import and a sample XML file I can have?  I want to get something that works in place then I can expand on it for my project.

Macro error in UF-007: System.Exception: Error during import. Please look at the eventlog for more information [Macro Command: Prompt(Import File?|UF-008)] Macro Enviroment parameters: [Current Form: 142 - Purchase Order] [Source Row: -1] [Target Row: -1] [Break: False] [Initial FormType: 142] [B1UP Version: 2021.2.0.0] ---> System.Exception: Error during import. Please look at the eventlog for more information at UniversalFunctions.Functions.FileImporter.Function.ActivateFunction(IFunctionActivationArguments activationsArguments) in C:\TFS\Horizontal\B1 Usability Package\Main\Source\Code\Modules\UniversalFunctions\Functions\FileImporter\Function.cs:line 27 at UniversalFunctions.Module.ExecuteUniversalFunction(String universalFunctionToActivate, IFunctionActivationArguments args, String sourceInformationForDebugLog) in C:\TFS\Horizontal\B1 Usability Package\Main\Source\Code\Modules\UniversalFunctions\Module.cs:line 457 at UniversalFunctions.Functions.Macro.Control.NotificationController.PromptCommand(IFunctionActivationArguments activationsArguments, String arguments, MessageBoxButton defaultButton) in C:\TFS\Horizontal\B1 Usability Package\Main\Source\Code\Modules\UniversalFunctions\Functions\Macro\Control\NotificationController.cs:line 164 at UniversalFunctions.Functions.Macro.Function.ActivateMacro(IFunctionActivationArguments activationsArguments, String macro) in C:\TFS\Horizontal\B1 Usability Package\Main\Source\Code\Modules\UniversalFunctions\Functions\Macro\Function.cs:line 416 --- End of inner exception stack trace --- at UniversalFunctions.Functions.Macro.Function.ActivateMacro(IFunctionActivationArguments activationsArguments, String macro) in C:\TFS\Horizontal\B1 Usability Package\Main\Source\Code\Modules\UniversalFunctions\Functions\Macro\Function.cs:line 486 at UniversalFunctions.Functions.Macro.Scripter.Functions.Root.DoWork() in C:\TFS\Horizontal\B1 Usability Package\Main\Source\Code\Modules\UniversalFunctions\Functions\Macro\Scripter\Functions\Root.cs:line 41 at UniversalFunctions.Functions.Macro.Scripter.Scripter.RunScriptDirectly(IFunctionActivationArguments activationsArguments, String script) in C:\TFS\Horizontal\B1 Usability Package\Main\Source\Code\Modules\UniversalFunctions\Functions\Macro\Scripter\Scripter.cs:line 73