新建或打开已有项目都显示这个错误提示。

[wangyic]

22.10.2+Branch.master.Sha.6a1a7800a9c5060f3750feb636f040a065e6579a

Data at the root level is invalid. Line 1, position 1.

打开文档出错: UiPath.Studio.Contracts.RecoverableException
—> UiPath.Studio.Contracts.RecoverableException: 无法打开项目“D:\重要文件\Desktop\空白流程2\project.json”: Data at the root level is invalid. Line 1, position 1.。
—> System.Xml.XmlException: Data at the root level is invalid. Line 1, position 1.
at System.Xml.XmlTextReaderImpl.Throw(Exception e)
at System.Xml.XmlTextReaderImpl.Throw(String res, String arg)
at System.Xml.XmlTextReaderImpl.ParseRootLevelWhitespace()
at System.Xml.XmlTextReaderImpl.ParseDocumentContent()
at System.Xml.XmlTextReaderImpl.Read()
at System.Xml.Linq.XDocument.Load(XmlReader reader, LoadOptions options)
at NuGet.Packaging.Core.NuspecCoreReaderBase.LoadXml(Stream stream, Boolean leaveStreamOpen)
at NuGet.Packaging.Core.NuspecCoreReaderBase..ctor(Stream stream, Boolean leaveStreamOpen)
at NuGet.Protocol.LocalPackageFileCache.GetNuspec(String manifestPath, String expandedPath)
at NuGet.Protocol.LocalPackageFileCache.<>c__DisplayClass7_1.b__1()
at System.Lazy1.ViaFactory(LazyThreadSafetyMode mode) --- End of stack trace from previous location --- at System.Lazy1.CreateValue()
at NuGet.Commands.LockFileUtils.<>c__DisplayClass2_0.b__0()
at System.Lazy1.ViaFactory(LazyThreadSafetyMode mode) at System.Lazy1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor)
at System.Lazy1.CreateValue() at NuGet.Commands.LockFileBuilderCache.GetLockFileTargetLibrary(RestoreTargetGraph graph, NuGetFramework framework, LocalPackageInfo localPackageInfo, String aliases, LibraryIncludeFlags libraryIncludeFlags, Func1 valueFactory)
at NuGet.Commands.LockFileUtils.CreateLockFileTargetLibrary(String aliases, LockFileLibrary library, LocalPackageInfo package, RestoreTargetGraph targetGraph, LibraryIncludeFlags dependencyType, NuGetFramework targetFrameworkOverride, List1 dependencies, LockFileBuilderCache cache) at NuGet.Commands.LockFileBuilder.CreateLockFile(LockFile previousLockFile, PackageSpec project, IEnumerable1 targetGraphs, IReadOnlyList1 localRepositories, RemoteWalkContext context, LockFileBuilderCache lockFileBuilderCache) at NuGet.Commands.RestoreCommand.BuildAssetsFile(LockFile existingLockFile, PackageSpec project, IEnumerable1 graphs, IReadOnlyList1 localRepositories, RemoteWalkContext contextForProject) at NuGet.Commands.RestoreCommand.ExecuteAsync(CancellationToken token) at UiPath.NuGet.PackageManager.InstallCore(InstallPackageCommand installCommand) at UiPath.PackageExplorer.Core.Services.PackageInstaller.InstallWithRootPackageAssemblies(InstallPackageCommand installCommand) at UiPath.Studio.Core.Services.Packaging.PackageOperationService.InstallWithRootPackageAssembliesAsync(InstallPackageCommand installPackageCommand) at UiPath.Studio.Core.Services.Packaging.PackageOperationService.InstallPackage(InstallPackageCommand installPackageCommand) at UiPath.Studio.Core.Services.Packaging.PackageOperationService.RestoreInternal(IPackageOperationBehavior packageOperationBehavior, IPackageOperationContext packageOperationContext, CancellationToken cancellationToken) at UiPath.Studio.Core.Services.Packaging.PackageOperationService.<>c__DisplayClass37_0.<<Restore>b__0>d.MoveNext() --- End of stack trace from previous location --- at UiPath.Studio.Core.Services.Packaging.PackageOperationRestoreService.Execute(IProject project, Boolean allowTargetFrameworkTemper, CancellationToken cancellationToken) at UiPath.Studio.Core.Services.Packaging.PackageService.RestoreProjectAsync(IProject project, Boolean allowTargetFrameworkTemper, CancellationToken cancellationToken) at UiPath.Studio.Plugin.Workflow.Shared.Project.BaseWorkflowProjectFactory.InitializeNewProjectModelInternal(String projectFilePath) at UiPath.Studio.Plugin.Workflow.Shared.Project.BaseWorkflowProjectFactory.OpenAsyncInternal(String path, IOpenOptions options) at UiPath.Studio.Plugin.Workflow.Shared.Project.BaseWorkflowProjectFactory.OpenAsync(String path, IOpenOptions options) at UiPath.Studio.Plugin.Workflow.Shared.Project.BaseWorkflowProjectFactory.OpenAsync(String path, IOpenOptions options) at UiPath.Studio.Core.Services.PersistableServiceBase3.OnOpenAsyncInternal(String path, IFactory2 resolvedFactory, IOpenOptions options) --- End of inner exception stack trace --- at UiPath.Studio.Core.Services.PersistableServiceBase3.OnOpenAsyncInternal(String path, IFactory2 resolvedFactory, IOpenOptions options) at UiPath.Studio.Core.CommonServices.ProjectServiceBase.OpenAsyncTaskExecute(String path, IFactory2 resolvedFactory, IOpenOptions options)
at UiPath.Studio.Core.CommonServices.ProjectServiceBase.OpenAsyncTaskExecute(String path, IFactory2 resolvedFactory, IOpenOptions options) at UiPath.Studio.Core.CommonServices.ProjectServiceBase.OnOpenAsync(String path, IFactory2 resolvedFactory, IOpenOptions options)
at UiPath.Studio.Core.Services.PersistableServiceBase`3.OpenAsync(OpenInformation openInfo)
at UiPath.Studio.Core.CommonServices.OpenCloseCommandsService.OpenDocumentAsync(OpenInformation openInfo)
— End of inner exception stack trace —
at UiPath.Studio.Core.CommonServices.OpenCloseCommandsService.OpenDocumentAsync(OpenInformation openInfo)
at UiPath.Studio.Core.CommonServices.OpenCloseCommandsService.OpenPath(String filePath)
at UiPath.Studio.Shell.Services.ProcessArgumentsService.ProcessWithCommandLine(String commandLineFileName)
at UiPath.Studio.Shell.ShellApplication.StudioShellApplication.<>c__DisplayClass24_0.<b__0>d.MoveNext()
— End of stack trace from previous location —
at System.Threading.Tasks.Task.<>c.b__128_0(Object state)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler), HResult -2146233088

[ashokkarale]

@wangyic,

Follow this solution. It should resolve your issue.

The project could not be opened found invalid data while decoding error to open process in uipath

Try these steps: Close any Studio windows. Delete the project.json file for the impacted project. Open the .local hidden folder in the project. Delete all the content except the db folder. Enter in the db folder and delete its content (references.db file). Logout of Assistant Delete all the files from %userprofile%\.nuget folder. Delete all the files from %userprofile%\AppData\Local\UiPath\.cache and %LOCALAPPDATA%\NuGet\v3-cache Delete all the files from %ProgramData%\UiPath\Packages Login to…

Also follow this solution as user mentioned he was able to get it resolved by the mentioned solution.

Not able to start/create process/project in UI path 2021.4.1 . getting error as Data at the root level is invalid. Line 1, position 1

Hi @loginerror / @coramia Issue is resolved after following guide How to fix your Studio installation / Licensing issues (How to fix your Studio installation / Licensing issues) Thanks for your help. Regards, Mahendra.