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.<>c__DisplayClass12.b__b(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.<>c__DisplayClass12.b__b(IDaemonStage stage)
at JetBrains.ReSharper.Feature.Services.Daemon.DaemonProcessBase.<>c__DisplayClass19.b__d()
at JetBrains.Application.Threading.Tasks.TaskBarrier.<>c__DisplayClass10.<>c__DisplayClass12.b__e()
at JetBrains.Application.Threading.Tasks.TaskHost.<>c__DisplayClasse.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()
”