Exception: "Collection was modified; enumeration operation may not execute."

[sirduke]

Collection was modified; enumeration operation may not execute.

--- EXCEPTION #1/2 [InvalidOperationException] Message = “Collection was modified; enumeration operation may not execute.” ExceptionPath = Root.InnerException ClassName = System.InvalidOperationException HResult = COR_E_INVALIDOPERATION=80131509 Source = mscorlib StackTraceString = “ at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource) at System.Collections.Generic.Dictionary2.ValueCollection.Enumerator.MoveNext() at System.Linq.Enumerable.<SelectManyIterator>d__12.MoveNext() at System.Linq.Enumerable.Any[TSource](IEnumerable1 source, Func2 predicate) at AgentMulder.ReSharper.Plugin.Components.UnusedWarningSuppressor.SuppressUsageInspectionsOnElement(IDeclaredElement element, ImplicitUseKindFlags& flags) in C:\Duke\projects\AgentMulder\src\AgentMulder.ReSharper.Plugin\Components\UnusedWarningSuppressor.cs:line 25 at JetBrains.ReSharper.Daemon.UsageChecking.SuppressUsageInspectionsUtil.ShouldSuppressUsageInspections(IDeclaredElement element, IList1 suppressors, ImplicitUseKindFlags& flags) at JetBrains.ReSharper.Daemon.UsageChecking.UsageAnalyzer.ProcessDeclaration(IDeclaration declaration, IDeclaredElement element, IParameters parameters) at JetBrains.ReSharper.Daemon.CSharp.Stages.UsageChecking.CSharpUsageAnalyzer.ProcessDeclaration(IDeclaration declaration, IDeclaredElement element, IParameters parameters) at JetBrains.ReSharper.Daemon.UsageChecking.UsageAnalyzer.ProcessElement(ITreeNode node, IParameters parameters) at JetBrains.ReSharper.Daemon.CSharp.Stages.UsageChecking.CSharpUsageAnalyzer.ProcessElement(ITreeNode node, IParameters parameters) at JetBrains.ReSharper.Daemon.UsageChecking.CollectUsagesStageProcess.ProcessBeforeInterior(ITreeNode element, ScopeProcessor scopeProcessor) at JetBrains.ReSharper.Psi.RecursiveElementProcessorExtensions.ProcessDescendants[TContext](ITreeNode root, IRecursiveElementProcessor1 processor, TContext context) at JetBrains.ReSharper.Daemon.UsageChecking.CollectUsagesStageProcess.Execute(Action`1 committer) at JetBrains.ReSharper.Feature.Services.Daemon.DaemonProcessBase.<>cDisplayClass12.bb(IDaemonStage stage) ”

--- Outer ---

--- EXCEPTION #2/2 [LoggerException] Message = “Collection was modified; enumeration operation may not execute.” ExceptionPath = Root ClassName = JetBrains.Util.LoggerException Data.HostProductInfo = “JetBrains ReSharper Ultimate 2015.2 Build 103.0.20150818.200216” Data.SubProducts.#0 = “JetBrains Solution Builder Duo 9.2 Build 1.0.20150819.145501” Data.SubProducts.#1 = “JetBrains ReSharper 9.2 Build 9.2.20150819.164145” Data.ManagedThreadName = “JetPool (S) Regular thread #1” Data.PlatformSccRevision = CompiledWithoutBuildServer Data.ProductSccRevision = CompiledWithoutBuildServer Data.VsVersion = 12.0.40629.0 InnerException = “Exception #1 at Root.InnerException” HResult = COR_E_APPLICATION=80131600 StackTraceString = “ at JetBrains.ReSharper.Feature.Services.Daemon.DaemonProcessBase.<>cDisplayClass12.bb(IDaemonStage stage) at JetBrains.ReSharper.Feature.Services.Daemon.DaemonProcessBase.<>cDisplayClass19.bd() at JetBrains.Application.Threading.Tasks.TaskBarrier.<>cDisplayClass10.<>cDisplayClass12.be() at JetBrains.Application.Threading.Tasks.TaskHost.<>cDisplayClasse.b__a(Object state) at System.Threading.Tasks.Task.InnerInvoke() at System.Threading.Tasks.Task.Execute() at System.Threading.Tasks.Task.ExecutionContextCallback(Object obj) 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.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot) at System.Threading.Tasks.Task.ExecuteEntry(Boolean bPreventDoubleExecution) at System.Threading.Tasks.TaskScheduler.TryExecuteTask(Task task) at JetBrains.Application.Threading.Tasks.Scheduler.JetSchedulerThread.ThreadPoolProc() 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() ”