🚨崩溃 NullReferenceException·DialogueBoxOnParentControl.<IsWr · x6w7r2

*古古识字*
`since 2026.10.10 16:05:39`

***Classifier***
```csharp
NullReferenceException: Object reference not set to an instance of an object.```
***Callstack***
```csharp
[1].DialogueBoxOnParentControl.<IsWrong>b__37_0:0
[2].UnityEngine.Events.UnityAction.Invoke:0
[3].HGuGuExtension+<_MyInvoke_Imp>d__208.MoveNext:0
[4].UnityEngine.SetupCoroutine.InvokeMoveNext:0
```
***Attributes***
platform: *Android*
os.version: *Android OS 12 / API-31 (HUAWEIDBR-W00/104.2.0.247C00)*
device.model: *HUAWEI DBR-W00*
phone.number: *13466109505*
isPaid: ✅
currentWord: *花*
version: *2026.09.28*
scene.active: *02二级菜单之字*
playingLink: *-*
lastLink: *黄字黑板*
secSinceLinkChange: *10.8*
secSinceLastFlowCall: *10.9*
clicksSinceLinkChange: *11*
shieldCount: *0*
dialogueBoxCount: *0*
isSynthetic: *false*
oplist:
```
[10-10 16:05:28] LoadSceneAsync: 02二级菜单之字
[10-10 16:05:28] 返回到二级菜单0
[10-10 16:05:28] Flow: BtnBack_OnClick
[10-10 16:05:00] Flow: GameBbYellow
[10-10 16:05:00] Flow: GameBbRed_Finish
[10-10 16:05:00] Flow: GameBbRed
[10-10 16:05:00] Flow: GameBbWhite_Finish
[10-10 16:05:00] Flow: GameBbWhite
[10-10 16:05:00] Flow: WhichLinkShouldBe_CurrentWordEnd
[10-10 16:05:00] Flow: CurrentWordExit_Finish
```
#ph13466109505
#02二级菜单之字
#NullReferenceException
#Unhandled exception
#ver20260928
#HUAWEI DBR-W00
📸 [screenshot](https://bugsnap.cnaron.com/paid/13466109505.HUAWEI DBR-W00.snap.2026.10.10.16.05.39.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[10-10 16:05:28] LoadSceneAsync: 02二级菜单之字
[10-10 16:05:28] 返回到二级菜单0
[10-10 16:05:28] Flow: BtnBack_OnClick
[10-10 16:05:00] Flow: GameBbYellow
[10-10 16:05:00] Flow: GameBbRed_Finish
[10-10 16:05:00] Flow: GameBbRed
[10-10 16:05:00] Flow: GameBbWhite_Finish
[10-10 16:05:00] Flow: GameBbWhite
[10-10 16:05:00] Flow: WhichLinkShouldBe_CurrentWordEnd
[10-10 16:05:00] Flow: CurrentWordExit_Finish
[10-10 16:04:54] 记住1年级的一键开始字:花
[10-10 16:04:54] Flow: CurrentWordExit
[10-10 16:04:49] Flow: CurrentWordFinish
[10-10 16:04:49] Flow: GameFeiHuaLing_Finish
[10-10 16:04:43] Flow: GameFeiHuaLing
[10-10 16:04:43] Flow: GameWiKiCulture_Finish
[10-10 16:04:43] Flow: GameWiKiCulture
[10-10 16:04:43] Flow: GameSoulLink_Finish
[10-10 16:04:43] Flow: GameSoulLink
[10-10 16:04:43] Flow: GameZuCi_Finish
[10-10 16:04:25] Flow: GameZuCi
[10-10 16:04:25] Flow: GamePinYin_Finish
[10-10 16:03:21] Flow: GamePinYin
[10-10 16:03:21] Flow: GameWritingXiaoXiaoLe_Finish
[10-10 16:02:58] Flow: GameWritingXiaoXiaoLe
[10-10 16:02:35] Flow: GameWritingXiaoXiaoLe
[10-10 16:02:35] Flow: GameWritingZhaoZheXie_Finish
[10-10 16:02:18] Flow: GameWritingZhaoZheXie
[10-10 16:02:18] Flow: GameBbYellow_Finish
[10-10 16:02:18] Flow: GameBbYellow

【前序异常（新→旧）】

[2026.10.10 16:05:39][Unhandled exception:DialogueBoxOnParentControl.<IsWrong>b__37_0 () (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.10.05 00:39:23][Unhandled exception:System.ThrowHelper.ThrowArgumentOutOfRangeException (System.ExceptionArgument argument, System.ExceptionResource resource) (at <00000000000000000000000000000000>:0):ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.Parameter name: index]

【prefs（白名单）】

当前字: 花
本节课已学字: 弟画
每节课学几个字: 9
手机号: 13466109505
购买的会员类型: 11003
本地存的最新版本号: 2026.09.28
是否首次安装_bool: False
消消乐放宽机型: EEBBK S5，EEBBK S4
识字断点: 花|GameBbYellow

【最近 Debug.Log】

[16:04:45] 一行结束
[16:04:49] 拼图结束，展示勋章
[16:04:54] 上传：当前字、打怪积分、课表
[16:04:54] 上传：打怪积分和 <color=#FFE08D>凿壁借光</color> 
[BackEventManager] Triggering (peek): 学习场景, stack count: 2
[16:05:28] 开始加载场景 02二级菜单之字
[BackEventManager] Scene unloaded: 03识字模块, stack count: 2
[16:05:28] 02二级菜单之字 加载完成，用时 0.06 秒。
[BackEventManager] Registered: 识字场景, stack count: 3
[16:05:29] currentIdx:50; newIdx:58
正确答案： <color=#FFE08D>42</color> 
[16:05:33] currentIdx:50; newIdx:58
正确答案： <color=#FFE08D>36</color> 
[16:05:37] currentIdx:50; newIdx:65
正确答案： <color=#FFE08D>21</color>