Allocation profile exception

[kenzieschmoll]

[ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: Null check operator used on a null value
#0      AllocationProfileTableViewController.refresh (package:devtools_app/src/screens/memory/panes/allocation_profile/allocation_profile_table_view_controller.dart:65)
#1      AllocationProfileTableViewController.initialize.<anonymous closure> (package:devtools_app/src/screens/memory/panes/allocation_profile/allocation_profile_table_view_controller.dart:46)
#2      ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:375)
#3      ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:489)
#4      IsolateManager.handleVmServiceClosed (package:devtools_app/src/service/isolate_manager.dart:222)
#5      ServiceConnectionManager.vmServiceClosed (package:devtools_app/src/service/service_manager.dart:361)
#6      ServiceConnectionManager.manuallyDisconnect (package:devtools_app/src/service/service_manager.dart:335)
#7      DevToolsRouterDelegate.navigate (package:devtools_app/src/shared/routing.dart:163)
#8      DevToolsRouterDelegate.navigateHome (package:devtools_app/src/shared/routing.dart:174)
#9      DeviceDialog._connectToNewAppButton.<anonymous closure> (package:devtools_app/src/shared/device_dialog.dart:69)
#10     _InkResponseState.handleTap (package:flutter/src/material/ink_well.dart:1077)
#11     GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:253)
#12     TapGestureRecognizer.handleTapUp (package:flutter/src/gestures/tap.dart:627)
#13     BaseTapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:306)
#14     BaseTapGestureRecognizer.handlePrimaryPointer (package:flutter/src/gestures/tap.dart:239)
#15     PrimaryPointerGestureRecognizer.handleEvent (package:flutter/src/gestures/recognizer.dart:615)
#16     PointerRouter._dispatch (package:flutter/src/gestures/pointer_router.dart:98)
#17     PointerRouter._dispatchEventToRoutes.<anonymous closure> (package:flutter/src/gestures/pointer_router.dart:143)
#18     _LinkedHashMapMixin.forEach (dart:collection-patch/compact_hash.dart:624)
#19     PointerRouter._dispatchEventToRoutes (package:flutter/src/gestures/pointer_router.dart:141)
#20     PointerRouter.route (package:flutter/src/gestures/pointer_router.dart:127)
#21     GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:460)
#22     GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:440)
#23     RendererBinding.dispatchEvent (package:flutter/src/rendering/binding.dart:336)
#24     GestureBinding._handlePointerEventImmediately (package:flutter/src/gestures/binding.dart:395)
#25     GestureBinding.handlePointerEvent (package:flutter/src/gestures/binding.dart:357)
#26     GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:314)
#27     GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:295)
#28     _invoke1 (dart:ui/hooks.dart:164)
#29     PlatformDispatcher._dispatchPointerDataPacket (dart:ui/platform_dispatcher.dart:361)
#30     _dispatchPointerDataPacket (dart:ui/hooks.dart:91)