贴出来供引擎组参考，希望不要无视，一起让Cocos变更好 
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此错误是3.7.2特有的，更新了3.7.2之后，此错误成为每日的榜首
Cannot read properties of null (reading ‘length’)
TypeError: Cannot read properties of null (reading ‘length’)
at e.i._applyJointTexture (https://usr/cocos-js/game.js:3:1217745)
at e.i.uploadAnimation (https://usr/cocos-js/game.js:3:1217421)
at e.i.uploadAnimation (https://usr/cocos-js/game.js:3:1219457)
at https://usr/cocos-js/game.js:5:62431
at e.i.onPlay (https://usr/cocos-js/game.js:5:62408)
at e.play (https://usr/cocos-js/game.js:3:1256675)
at e.i.doPlayOrCrossFade (https://usr/cocos-js/game.js:5:68028)
at e.i.crossFade (https://usr/cocos-js/game.js:3:1333192)
at e.i.play (https://usr/cocos-js/game.js:3:1333073)更详细一点的栈
null is not an object (evaluating ‘this._skeleton.joints.length’)
_applyJointTexture@https://usr//cocos-js/game.js:3:1217744
uploadAnimation@https://usr//cocos-js/game.js:3:1217439
uploadAnimation@https://usr//cocos-js/game.js:3:1219472
https://usr//cocos-js/game.js:5:62446
onPlay@https://usr//cocos-js/game.js:5:62415
play@https://usr//cocos-js/game.js:3:1256681
doPlayOrCrossFade@https://usr//cocos-js/game.js:5:68032
crossFade@https://usr//cocos-js/game.js:3:1333209
play@https://usr//cocos-js/game.js:3:1333082
switchAnim@https://usr//subpackages/Logic/game.js:13:36609
idle@https://usr//subpackages/Logic/game.js:13:35914
onVisualCreated@https://usr//subpackages/Logic/game.js:13:22531
onVisualCreated@https://usr//subpackages/Logic/game.js:95:660
https://usr//subpackages/Logic/game.js:629:8773
getFromBundle@https://usr/game.js:51:187936
get@https://usr//subpackages/Logic/game.js:591:5147
createVisual@https://usr//subpackages/Logic/game.js:629:8188
https://usr//subpackages/Logic/game.js:629:3903
n@https://src/bundle-scripts/bd_xiuluo/index.f1c63.js:17:18
l@https://src/bundle-scripts/bd_xiuluo/index.f1c63.js:17:18
https://src/bundle-scripts/bd_xiuluo/index.f1c63.js:17:18
G@https://lib/WAGameSubContext.js:2:50052
https://src/bundle-scripts/bd_xiuluo/index.f1c63.js:17:18
https://usr//subpackages/Logic/game.js:13:2231
n@https://src/bundle-scripts/bd_xiuluo/index.f1c63.js:17:18
l@https://src/bundle-scripts/bd_xiuluo/index.f1c63.js:17:18
https://src/bundle-scripts/bd_xiuluo/index.f1c63.js:17:18
G@https://lib/WAGameSubContext.js:2:50052
https://src/bundle-scripts/bd_xiuluo/index.f1c63.js:17:18
https://usr//subpackages/Logic/game.js:95:533
n@https://src/bundle-scripts/bd_xiuluo/index.f1c63.js:17:18
l@https://src/bundle-scripts/bd_xiuluo/index.f1c63.js:17:18
https://src/bundle-scripts/bd_xiuluo/index.f1c63.js:17:18
G@https://lib/WAGameSubContext.js:2:50052
https://src/bundle-scripts/bd_xiuluo/index.f1c63.js:17:18
addEntity@https://usr//subpackages/Logic/game.js:627:7379
spawnEntity@https://usr//subpackages/Logic/game.js:295:18718
spawnEnemies@https://usr//subpackages/Logic/game.js:327:1949
update@https://usr//subpackages/Logic/game.js:327:1282
update@https://usr//subpackages/Logic/game.js:295:17934
update@https://usr/game.js:51:161013
https://usr//cocos-js/game.js:3:842490
https://usr//cocos-js/game.js:3:842070
invoke@https://usr//cocos-js/game.js:3:841924
updatePhase@https://usr//cocos-js/game.js:3:843874
tick@https://usr//cocos-js/game.js:3:906718
_updateCallback@https://usr//cocos-js/game.js:3:929511
_updateCallback@https://usr//cocos-js/game.js:3:909701
https://lib/WAGameSubContext.js:2:140769
=============== 以下是3.6.1就存在，3.7.2也没修复的 ===========
Cannot read properties of null (reading ‘minPosition’)
TypeError: Cannot read properties of null (reading ‘minPosition’)
at e._updateModels (https://usr/cocos-js/game.js:3:867739)
at e.onEnable (https://usr/cocos-js/game.js:3:863986)
at e.CN [as _invoke] (https://usr/cocos-js/game.js:3:842733)
at e.i.invoke (https://usr/cocos-js/game.js:3:841398)
at t.e.activateNode (https://usr/cocos-js/game.js:3:845874)
at i.e._onHierarchyChangedBase (https://usr/cocos-js/game.js:3:380955)
at i.e._onHierarchyChanged (https://usr/cocos-js/game.js:3:382333)
at i.e.setParent (https://usr/cocos-js/game.js:3:376158)
at https://usr/subpackages/Logic/game.js:629:8235
at t.n.getFromBundle (https://usr/game.js:51:187935)
=========================================================
Cannot read properties of null (reading \'length\')
TypeError: Cannot read properties of null (reading \'length\')
at e.i.copy (https://usr/cocos-js/game.js:3:496851)
at new e (https://usr/cocos-js/game.js:3:505395)
at e.i.getMaterialInstance (https://usr/cocos-js/game.js:3:855743)
at e.get (https://usr/cocos-js/game.js:3:856712)
at e.i._render (https://usr/cocos-js/game.js:3:1099023)
at e.i.fillBuffers (https://usr/cocos-js/game.js:3:1099097)
at t.e.walk (https://usr/cocos-js/game.js:3:1164290)
at t.e.walk (https://usr/cocos-js/game.js:3:1164854)
at t.e.walk (https://usr/cocos-js/game.js:3:1164854)
at t.e.walk (https://usr/cocos-js/game.js:3:1164854)
=========================================================
Cannot read properties of null (reading \'13\')
TypeError: Cannot read properties of null (reading \'13\')
at e.i.updateTransform (https://usr/cocos-js/game.js:3:1216405)
at t.e.update (https://usr/cocos-js/game.js:3:813499)
at t.e.frameMove (https://usr/cocos-js/game.js:3:891870)
at e.i.tick (https://usr/cocos-js/game.js:3:907022)
at i.r._updateCallback (https://usr/cocos-js/game.js:3:929507)
at Function._updateCallback (https://usr/cocos-js/game.js:3:909694)
在这个报错中，13，可以是任意数字
=========================================================
Cannot read properties of null (reading \'gpuDescriptors\')
TypeError: Cannot read properties of null (reading \'gpuDescriptors\')
at V4 (https://usr/cocos-js/game.js:3:1398518)
at e.i.bindStates (https://usr/cocos-js/game.js:3:1442459)
at e.i.draw (https://usr/cocos-js/game.js:3:1440749)
at t.e.render (https://usr/cocos-js/game.js:3:720287)
at e.i.render (https://usr/cocos-js/game.js:3:723355)
at e.render (https://usr/cocos-js/game.js:3:684500)
at e.i.render (https://usr/cocos-js/game.js:3:724114)
at e.i.render (https://usr/cocos-js/game.js:3:690778)
at t.e.frameMove (https://usr/cocos-js/game.js:3:892100)
at e.i.tick (https://usr/cocos-js/game.js:3:907022)
=========================================================