🚨崩溃 NullReferenceException·HGuGuExtension.GuGu_SetSource · · r4neck

*古古识字*
`since 2026.08.27 11:20:39`

***Classifier***
```csharp
NullReferenceException: Object reference not set to an instance of an object.```
***Callstack***
```csharp
[1].HGuGuExtension.GuGu_SetSource:0
[2].HGuGuExtension.GuGu_AddPosConstraint:0
[3].FlowLineCultureWikiMono.RemoveCardsAndTitle:0
[4].FlowLineCultureWiki.OnCall:0
[5].FlowLineCultureWikiMono+<ShowCultureContent>d__26.MoveNext:0
[6].GuGuCoroutineTracker_claudecode_20260818+<Guard_claudecode_20260818>d__20.MoveNext:0
```
***Attributes***
platform: *IPhonePlayer*
os.version: *iOS 18.6.2*
device.model: *iPhone15,3*
phone.number: *13760377691*
isPaid: ✅
currentWord: *马*
version: *2026.08.21*
scene.active: *03识字模块*
playingLink: *文化百科*
lastLink: *文化百科*
secSinceLinkChange: *22.5*
secSinceLastFlowCall: *22.5*
clicksSinceLinkChange: *3*
shieldCount: *0*
dialogueBoxCount: *0*
isSynthetic: *false*
coroutine:
```
⚠️ 协程 <ShowCultureContent>d__26 抛 NullReferenceException，启动点 FlowLineCultureWiki.cs:67 OnCall（启动记录 #149）（0.0s 前）
最近启动点(新→旧):
[#151 t-12.3s] FlowLineCultureWikiMono.cs:265 ShowCultureContent → <ShowContentAtPlayingAudio>d__27
[#150 t-12.7s] FlowLineCultureWikiMono.cs:265 ShowCultureContent → <ShowContentAtPlayingAudio>d__27
[#149 t-14.9s] FlowLineCultureWiki.cs:67 OnCall → <ShowCultureContent>d__26
[#148 t-15.3s] FlowLineCultureWiki.cs:67 OnCall → <ShowCultureContent>d__26
[#147 t-15.4s] FlowLineCultureWiki.cs:106 OnCall → <HideAllCards>d__25
[#146 t-15.8s] FlowLineCultureWiki.cs:106 OnCall → <HideAllCards>d__25
[#145 t-26.5s] FlowLineGameZuCi.cs:48 OnCall → <OnFinishQuestions>d__19
[#144 t-28.2s] FlowLineGameZuCiMono.cs:215 OnKey → <RightOrWrong>d__25
```
oplist:
```
[08-27 11:20:17] 百科船舵:mono=有
[08-27 11:20:17] Flow: GameWiKiCulture
[08-27 11:20:17] Flow: GameSoulLink_Finish
[08-27 11:20:17] Flow: GameSoulLink
[08-27 11:20:17] Flow: GameZuCi_Finish
[08-27 11:20:07] Flow: GameZuCi
[08-27 11:20:07] Flow: GamePinYin_Finish
[08-27 11:19:44] Flow: GamePinYin
[08-27 11:19:44] Flow: GameWritingXiaoXiaoLe_Finish
[08-27 11:19:25] Flow: GameWritingXiaoXiaoLe
```
#ph13760377691
#03识字模块
#NullReferenceException
#Unhandled exception
#ver20260821
#iPhone15,3
📸 [screenshot](https://bugsnap.cnaron.com/paid/13760377691.iPhone15.3.snap.2026.08.27.11.20.39.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[08-27 11:20:17] 百科船舵:mono=有
[08-27 11:20:17] Flow: GameWiKiCulture
[08-27 11:20:17] Flow: GameSoulLink_Finish
[08-27 11:20:17] Flow: GameSoulLink
[08-27 11:20:17] Flow: GameZuCi_Finish
[08-27 11:20:07] Flow: GameZuCi
[08-27 11:20:07] Flow: GamePinYin_Finish
[08-27 11:19:44] Flow: GamePinYin
[08-27 11:19:44] Flow: GameWritingXiaoXiaoLe_Finish
[08-27 11:19:25] Flow: GameWritingXiaoXiaoLe
[08-27 11:19:25] Flow: GameWritingZhaoZheXie_Finish
[08-27 11:19:14] Flow: GameWritingZhaoZheXie
[08-27 11:19:14] Flow: GameBbYellow_Finish
[08-27 11:19:14] Flow: GameBbYellow
[08-27 11:19:14] Flow: GameBbRed_Finish
[08-27 11:19:14] Flow: GameBbRed
[08-27 11:19:14] Flow: GameBbWhite_Finish
[08-27 11:18:48] Flow: GameBbWhite
[08-27 11:18:47] 断点恢复补判横幅
[08-27 11:18:47] Flow: GameNewWordEnter_Begin_NotCareFinish_OnlyForShowing
[08-27 11:18:47] 开始学习字[马]
[08-27 11:18:47] Flow: WhichLinkShouldBe_CurrentWordBegin
[08-27 11:18:47] LoadSceneAsync: 03识字模块
[08-27 11:18:47] 记住1年级的一键开始字:马
[08-27 11:18:47] [Cloud]从路跳到马
[08-27 11:18:42] LoadSceneAsync: 02二级菜单之字
[08-27 11:18:42] 返回到二级菜单0
[08-27 11:18:42] Flow: BtnBack_OnClick
[08-27 11:18:34] Flow: GameBbRed
[08-27 11:18:34] Flow: GameBbWhite_Finish

【前序异常（新→旧）】

[2026.08.27 11:20:39][Unhandled exception:HGuGuExtension.GuGu_SetSource (UnityEngine.Animations.PositionConstraint constraint, UnityEngine.Transform leader) (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.08.17 01:34:57][Unhandled exception::System.Collections.Generic.Dictionary`2[TKey,TValue].TryInsert (TKey key, TValue value, System.Collections.Generic.InsertionBehavior behavior) (at <00000000000000000000000000000000>:0):ArgumentException: An item with the same key has already been added. Key: SO/预制体：粒子特效.DataPrefabs]

【prefs（白名单）】

当前字: 马
本节课已学字: 马
每节课学几个字: 3
手机号: 13760377691
购买的会员类型: 11003
本地存的最新版本号: 2026.08.21
是否首次安装_bool: False
消消乐放宽机型: EEBBK S5，EEBBK S4
识字断点: 马|GameWiKiCulture

【最近 Debug.Log】

[11:18:47] 开始加载场景 03识字模块
[BackEventManager] Unregistered: 识字场景, removed 1, stack count: 3
[BackEventManager] Scene unloaded: 02二级菜单之字, stack count: 3
[BackEventManager] Registered: 学习场景, stack count: 4
[11:18:47] 03识字模块 加载完成，用时 0.19 秒。
[11:18:47] [CreateLink] 正在查找环节资源:  <color=#FFE08D>00字入场</color> 
[11:18:50] 开始自转
[11:18:52] 走了
[11:19:44] [CreateLink] 正在查找环节资源:  <color=#FFE08D>03拼音</color> 
[11:20:07] [CreateLink] 正在查找环节资源:  <color=#FFE08D>03组词</color> 
[11:20:17] [CreateLink] 正在查找环节资源:  <color=#FFE08D>05百科</color> 
[11:20:23] 开始自转
[11:20:23] 开始自转
[11:20:24] 完成了一个完整循环，结束旋转
Can't add component 'PositionConstraint' to 牛 because such a component is already added to the game object!