🚨崩溃 NullReferenceException·LineControl.HandlePositionUpdate · dp5vqs

*古古识字*
`since 2026.09.03 19:35:26`

***Classifier***
```csharp
NullReferenceException: Object reference not set to an instance of an object.```
***Callstack***
```csharp
[1].LineControl.HandlePositionUpdate:0
```
***Attributes***
platform: *Android*
os.version: *Android OS 15 / API-35 (AQ3A.250226.002/OS3.0.3.0.VLTCNXM)*
device.model: *Xiaomi 2206123SC*
phone.number: *13925509059*
isPaid: ❌
currentWord: *文*
version: *2026.09.01*
scene.active: *02二级菜单之诗*
playingLink: *-*
lastLink: *字退场*
secSinceLinkChange: *10.9*
secSinceLastFlowCall: *10.9*
clicksSinceLinkChange: *11*
shieldCount: *1*
dialogueBoxCount: *0*
isSynthetic: *false*
oplist:
```
[09-03 19:35:20] LoadSceneAsync: 02二级菜单之诗
[09-03 19:35:17] LoadSceneAsync: 01首页面
[09-03 19:35:15] LoadSceneAsync: 02二级菜单之字
[09-03 19:35:15] 返回到二级菜单0
[09-03 19:35:15] Flow: BtnBack_OnClick
[09-03 19:35:13] 记住1年级的一键开始字:文
[09-03 19:35:13] Flow: CurrentWordExit
[09-03 19:35:10] Flow: CurrentWordFinish
[09-03 19:35:10] Flow: GameFeiHuaLing_Finish
[09-03 19:34:59] Flow: GameFeiHuaLing
```
#ph13925509059
#02二级菜单之诗
#NullReferenceException
#Unhandled exception
#ver20260901
#Xiaomi 2206123SC
📸 [screenshot](https://bugsnap.cnaron.com/login/13925509059.Xiaomi 2206123SC.snap.2026.09.03.19.35.26.jpg)

附加现场（原 JSON 附件的内容）

【本地 opList（因果链，新→旧）】

[09-03 19:35:20] LoadSceneAsync: 02二级菜单之诗
[09-03 19:35:17] LoadSceneAsync: 01首页面
[09-03 19:35:15] LoadSceneAsync: 02二级菜单之字
[09-03 19:35:15] 返回到二级菜单0
[09-03 19:35:15] Flow: BtnBack_OnClick
[09-03 19:35:13] 记住1年级的一键开始字:文
[09-03 19:35:13] Flow: CurrentWordExit
[09-03 19:35:10] Flow: CurrentWordFinish
[09-03 19:35:10] Flow: GameFeiHuaLing_Finish
[09-03 19:34:59] Flow: GameFeiHuaLing
[09-03 19:34:59] Flow: GameWiKiCulture_Finish
[09-03 19:34:59] Flow: GameWiKiCulture
[09-03 19:34:59] Flow: GameSoulLink_Finish
[09-03 19:34:59] Flow: GameSoulLink
[09-03 19:34:59] Flow: GameZuCi_Finish
[09-03 19:34:46] Flow: GameZuCi
[09-03 19:34:46] Flow: GamePinYin_Finish
[09-03 19:34:25] Flow: GamePinYin
[09-03 19:34:25] Flow: GameWritingXiaoXiaoLe_Finish
[09-03 19:33:55] Flow: GameWritingXiaoXiaoLe
[09-03 19:33:55] Flow: GameWritingZhaoZheXie_Finish
[09-03 19:33:36] Flow: GameWritingZhaoZheXie
[09-03 19:33:36] Flow: GameBbYellow_Finish
[09-03 19:32:56] Flow: GameBbYellow
[09-03 19:32:56] Flow: GameBbRed_Finish
[09-03 19:32:56] Flow: GameBbRed
[09-03 19:32:56] Flow: GameBbWhite_Finish
[09-03 19:32:56] Flow: GameBbWhite
[09-03 19:32:55] Flow: GameNewWordEnter_Begin_NotCareFinish_OnlyForShowing
[09-03 19:32:55] 开始学习字[语]

【前序异常（新→旧）】

[2026.09.03 19:35:26][Unhandled exception:LineControl.HandlePositionUpdate (UnityEngine.Vector3 newPosition) (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.09.03 19:35:25][Unhandled exception:UnityEngine.MonoBehaviour.StopCoroutine (System.Collections.IEnumerator routine) (at <00000000000000000000000000000000>:0):NullReferenceException: routine is null]
[2026.09.03 19:35:25][Unhandled exception:LineControl.HandlePositionUpdate (UnityEngine.Vector3 newPosition) (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.09.03 19:35:25][Unhandled exception:UnityEngine.MonoBehaviour.StopCoroutine (System.Collections.IEnumerator routine) (at <00000000000000000000000000000000>:0):NullReferenceException: routine is null]
[2026.09.03 19:35:23][Unhandled exception:LineControl.HandlePositionUpdate (UnityEngine.Vector3 newPosition) (at <00000000000000000000000000000000>:0):NullReferenceException: Object reference not set to an instance of an object.]
[2026.09.03 19:35:21][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: 文
本节课已学字: 语
每节课学几个字: 5
手机号: 13925509059
购买的会员类型: 00000
本地存的最新版本号: 2026.09.01
是否首次安装_bool: False
消消乐放宽机型: EEBBK S5，EEBBK S4
识字断点: 语|CurrentWordExit

【最近 Debug.Log】