Does anyone know how to fix this error?

[soodgautam]

Ive attached the error message and my config.json file below.

[22:34:13 ERR] [15.2.1] Unable to load Common Structure for Target.
System.Exception: Unable to load Common Structure for Target.This is usually due to different language versions. Validate that 'Area' is the correct name in your version. ---> Microsoft.TeamFoundation.Core.WebApi.ProjectException: VS800075: The project with id 'vstfs:///Classification/TeamProject/' does not exist, or you do not have permission to access it.
at Microsoft.TeamFoundation.Proxy.CommonStructureService.GetNodeFromPath(String nodePath)
at MigrationTools.Enrichers.TfsNodeStructure.ProcessCommonStructure(String treeTypeSource, String localizedTreeTypeName, String projectTarget, TfsNodeStructureType nodeStructureType) in D:\a\azure-devops-migration-tools\azure-devops-migration-tools\src\MigrationTools.Clients.AzureDevops.ObjectModel\ProcessorEnrichers\TfsNodeStructure.cs:line 467
--- End of inner exception stack trace ---
Error logged to Elmah.io
Error logged to Elmah.io
configuration.json

[MrHinsh]

Unable to load Common Structure for Target. This is usually due to different language versions. Validate that 'Area' is the correct name in your version.

Have you checked the language of your instance? The LanguageMaps section allows you to configure for diferent language versions of TFS.