NullReferenceException

Object reference not set to an instance of an object.

GrowthTaskPage.get_TaskViewDisplayList () (at <00000000000000000000000000000000>:0)

GrowthTaskPage.RefreshTasks () (at <00000000000000000000000000000000>:0)

GrowthTaskPage.SubmitTask (TaskRow data, System.Int32 index) (at <00000000000000000000000000000000>:0)

QuestApi.SubmitAsync (System.Int32 rowId, System.Nullable`1[T] flag) (at <00000000000000000000000000000000>:0)

NetworkService.CallAsync (ServerType serverType, System.String api, CustomLitJson.JsonData arg, System.Collections.Generic.Dictionary`2[TKey,TValue] urlParam, System.Nullable`1[T] flag) (at <00000000000000000000000000000000>:0)

NetworkService.ProcessCompeltedList () (at <00000000000000000000000000000000>:0)

NetworkService.Update () (at <00000000000000000000000000000000>:0)

System.Threading.ExecutionContext.RunInternal (System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, System.Object state, System.Boolean preserveSyncCtx) (at <00000000000000000000000000000000>:0)

System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.Run () (at <00000000000000000000000000000000>:0)

System.Threading.Tasks.AwaitTaskContinuation.RunCallback (System.Threading.ContextCallback callback, System.Object state, System.Threading.Tasks.Task& currentTask) (at <00000000000000000000000000000000>:0)

System.Threading.Tasks.Task.FinishContinuations () (at <00000000000000000000000000000000>:0)

System.Threading.Tasks.Task`1[TResult].TrySetResult (TResult result) (at <00000000000000000000000000000000>:0)

System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[TResult].SetResult (TResult result) (at <00000000000000000000000000000000>:0)

System.Threading.ExecutionContext.RunInternal (System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, System.Object state, System.Boolean preserveSyncCtx) (at <00000000000000000000000000000000>:0)

System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.Run () (at <00000000000000000000000000000000>:0)

System.Threading.Tasks.AwaitTaskContinuation.RunCallback (System.Threading.ContextCallback callback, System.Object state, System.Threading.Tasks.Task& currentTask) (at <00000000000000000000000000000000>:0)

System.Threading.Tasks.Task.FinishContinuations () (at <00000000000000000000000000000000>:0)

System.Threading.Tasks.Task`1[TResult].TrySetResult (TResult result) (at <00000000000000000000000000000000>:0)

System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[TResult].SetResult (TResult result) (at <00000000000000000000000000000000>:0)

System.Threading.ExecutionContext.RunInternal (System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, System.Object state, System.Boolean preserveSyncCtx) (at <00000000000000000000000000000000>:0)

System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.Run () (at <00000000000000000000000000000000>:0)

System.Threading.Tasks.AwaitTaskContinuation.RunCallback (System.Threading.ContextCallback callback, System.Object state, System.Threading.Tasks.Task& currentTask) (at <00000000000000000000000000000000>:0)

System.Threading.Tasks.Task.FinishContinuations () (at <00000000000000000000000000000000>:0)

System.Threading.Tasks.Task`1[TResult].TrySetResult (TResult result) (at <00000000000000000000000000000000>:0)

System.Threading.Tasks.TaskCompletionSource`1[TResult].TrySetResult (TResult result) (at <00000000000000000000000000000000>:0)

System.Threading.Tasks.TaskCompletionSource`1[TResult].SetResult (TResult result) (at <00000000000000000000000000000000>:0)

--- End of stack trace from previous location where exception was thrown ---

System.Runtime.CompilerServices.AsyncMethodBuilderCore+<>c.<ThrowAsync>b__7_0 (System.Object state) (at <00000000000000000000000000000000>:0)

UnityEngine.UnitySynchronizationContext+WorkRequest.Invoke () (at <00000000000000000000000000000000>:0)

UnityEngine.UnitySynchronizationContext.Exec () (at <00000000000000000000000000000000>:0)