RSRP-294586: projectFile.IsValid

  at JetBrains.ReSharper.Psi.LanguageService.ParseFile(ILexer lexer, IPsiSourceFile sourceFile) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\LanguageService.cs:line 61
     at JetBrains.ReSharper.Psi.ExtensionsAPI.Caches2.ProjectFilePartsTree.BuildStub[T](DeclarationPart part) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\ExtensionsAPI\Caches2\PartsTree.cs:line 255
     at JetBrains.ReSharper.Psi.ExtensionsAPI.Caches2.TypePartImplBase`1.GetStubDeclaration() in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\ExtensionsAPI\Caches2\TypePartImplBase.cs:line 51
     at JetBrains.ReSharper.Psi.CSharp.Impl.Cache2.CSharpClassLikeTypePart`1.GetSuperTypes() in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\CSharp\src\Impl\Cache2\CSharpClassLikeTypePart.cs:line 77
     at JetBrains.ReSharper.Psi.ExtensionsAPI.Caches2.ClassLikeTypeElement.<CalcSuperTypes>b__13(IClassLikePart input) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\ExtensionsAPI\Caches2\ClassLikeTypeElement.cs:line 53
     at JetBrains.ReSharper.Psi.ExtensionsAPI.Caches2.TypeElement.ProcessParts[TPart,TResult](Func`2 converter) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\ExtensionsAPI\Caches2\TypeElement.cs:line 816
     at JetBrains.ReSharper.Psi.ExtensionsAPI.Caches2.ClassLikeTypeElement.CalcSuperTypes() in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\ExtensionsAPI\Caches2\ClassLikeTypeElement.cs:line 53
     at JetBrains.ReSharper.Psi.ExtensionsAPI.Caches2.Class.CalcSuperTypes() in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\ExtensionsAPI\Caches2\Class.cs:line 32
     at JetBrains.ReSharper.Psi.ExtensionsAPI.Caches2.ClassLikeTypeElement.<.cctor>b__15(ClassLikeTypeElement element) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\ExtensionsAPI\Caches2\ClassLikeTypeElement.cs:line 49
     at JetBrains.ReSharper.Psi.Impl.TypeElementInheritanceCache.CacheImmediateSuperTypes[T](T typeElement, Func`2 calculator) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\impl\TypeElementInheritanceCache.cs:line 81
     at JetBrains.ReSharper.Psi.ExtensionsAPI.Caches2.ClassLikeTypeElement.GetSuperTypes() in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\ExtensionsAPI\Caches2\ClassLikeTypeElement.cs:line 46
     at JetBrains.ReSharper.Psi.Impl.TypeElementInheritanceCache.BuildSuperTypes(IPsiModule originalModule, ITypeElement typeElement, HashSet`1 visited) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\impl\TypeElementInheritanceCache.cs:line 138
     at JetBrains.ReSharper.Psi.Impl.TypeElementInheritanceCache.GetSuperTypes(ITypeElement subType, HashSet`1 visited) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\impl\TypeElementInheritanceCache.cs:line 121
     at JetBrains.ReSharper.Psi.Impl.TypeElementInheritanceCache.IsDescendantOf(ITypeElement subType, ITypeElement superType) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\impl\TypeElementInheritanceCache.cs:line 61
     at JetBrains.ReSharper.Psi.Util.AccessUtil.IsProtectedSymbolAccessible(ITypeMember typeMember, IAccessContext context) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\Util\AccessUtil.cs:line 70
     at JetBrains.ReSharper.Psi.Util.AccessUtil.IsSymbolAccessible(ITypeMember typeMember, IAccessContext context, AccessRights rights, Boolean checkModuleIsReferenced) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\Util\AccessUtil.cs:line 118
     at JetBrains.ReSharper.Psi.ExtensionsAPI.Resolve.Filters.AccessRightsFilter.Accepts(IDeclaredElement declaredElement, ISubstitution substitution) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\ExtensionsAPI\Resolve\Filters\AccessRightsFilter.cs:line 25
     at JetBrains.ReSharper.Psi.Resolve.SimpleSymbolFilter.Accepts(ISymbolInfo datum) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\Resolve\ISymbolFilter.cs:line 39
     at JetBrains.ReSharper.Psi.ExtensionsAPI.Resolve.MultipleFilterSymbolTable.CompositeSimpleSymbolFilter.FilterArray(IList`1 data) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\ExtensionsAPI\Resolve\MultipleFilterSymbolTable.cs:line 156
     at JetBrains.ReSharper.Psi.ExtensionsAPI.Resolve.MultipleFilterSymbolTable.Filter(IList`1 elements) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\ExtensionsAPI\Resolve\MultipleFilterSymbolTable.cs:line 116
     at JetBrains.ReSharper.Psi.ExtensionsAPI.Resolve.MultipleFilterSymbolTable.BuildFullCache() in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\ExtensionsAPI\Resolve\MultipleFilterSymbolTable.cs:line 73
     at JetBrains.ReSharper.Psi.ExtensionsAPI.Resolve.MultipleFilterSymbolTable.Names() in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Psi\_Core\src\ExtensionsAPI\Resolve\MultipleFilterSymbolTable.cs:line 124
     at JetBrains.ReSharper.Feature.Services.ParameterInfo.ObjectInitializerCandidate.Create(IType type, PsiLanguageType language, ISymbolFilter[] filters) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Services\_Core\src\ParameterInfo\ObjectInitializerCandidate.cs:line 138
     at JetBrains.ReSharper.Feature.Services.CSharp.ParameterInfo.CSParameterInfoContextFactory.CreateInitializerContext(ITokenNode node, TreeOffset caretOffset) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Services\CSharp\src\ParameterInfo\CSParameterInfoContextFactory_Initializer.cs:line 106
     at JetBrains.ReSharper.Feature.Services.CSharp.ParameterInfo.CSParameterInfoContextFactory.CreateContext(ISolution solution, IDocument document, Int32 caretOffset, Int32 expectedLParenthOffset, Char invocationChar, IContextBoundSettingsStore contextBoundSettingsStore) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Services\CSharp\src\ParameterInfo\CSParameterInfoContextFactory.cs:line 80
     at JetBrains.ReSharper.Features.Intellisense.ParameterInfo.EditorParameterInfoHandler.CreateContext(ISolution solution, IDocument document, Int32 caretOffset, Int32 expectedLParenthOffset, Char invocationChar, ILanguageManager languageManager) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Features\Intellisense\src\ParameterInfo\EditorParameterInfoHandler.cs:line 414
     at JetBrains.ReSharper.Features.Intellisense.ParameterInfo.EditorParameterInfoHandler.GetParameterInfoContext(IDocument document, Int32 caretOffset, Int32 expectedLParenthOffset, Char invocationChar) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Features\Intellisense\src\ParameterInfo\EditorParameterInfoHandler.cs:line 457
     at JetBrains.ReSharper.Features.Intellisense.ParameterInfo.EditorParameterInfoHandler.GetParameterInfoContext(Int32 expectedLParenthOffset, Char invocationChar) in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Features\Intellisense\src\ParameterInfo\EditorParameterInfoHandler.cs:line 485
     at JetBrains.ReSharper.Features.Intellisense.ParameterInfo.EditorParameterInfoHandler.AsyncExecuter.Work() in c:\BuildAgent\work\3355b838ddaf4e5c\Psi.Features\src\Features\Intellisense\src\ParameterInfo\EditorParameterInfoHandler.cs:line 209
     at JetBrains.Application.InterruptableReadActivity.DoWork() in c:\BuildAgent\work\3355b838ddaf4e5c\Platform\src\Shell\src\Threading\InterruptableReadActivity.cs:line 210
     at JetBrains.Application.InterruptableReadActivity.WorkerThreadProc() in c:\BuildAgent\work\3355b838ddaf4e5c\Platform\src\Shell\src\Threading\InterruptableReadActivity.cs:line 101

  at JetBrains.Application.InterruptableReadActivity.WorkerThreadProc() in c:\BuildAgent\work\3355b838ddaf4e5c\Platform\src\Shell\src\Threading\InterruptableReadActivity.cs:line 134
     at JetBrains.Threading.ThreadManager.PooledThread.ThreadProc() in c:\BuildAgent\work\3355b838ddaf4e5c\Platform\src\Util\src\Threading\ThreadManager.cs:line 152
     at JetBrains.Util.Logger.Catch(Action action) in c:\BuildAgent\work\3355b838ddaf4e5c\Platform\src\Util\src\Logger\Logger.cs:line 243
     at JetBrains.Threading.ThreadManager.PooledThread.<.ctor>b__1() in c:\BuildAgent\work\3355b838ddaf4e5c\Platform\src\Util\src\Threading\ThreadManager.cs:line 116
     at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
     at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
     at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
     at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
     at System.Threading.ThreadHelper.ThreadStart()