Trying to follow the migration guide and getting this error.
[[playcanvas-stable.dbg.js:63651]](https://code.playcanvas.com/playcanvas-stable.dbg.js): this.scripts[i].__initializeAttributes is not a function
TypeError: this.scripts[i].__initializeAttributes is not a function
at ScriptComponent._onInitializeAttributes (https://code.playcanvas.com/playcanvas-stable.dbg.js:63651:21)
at ScriptComponentSystem._callComponentMethod (https://code.playcanvas.com/playcanvas-stable.dbg.js:64271:49)
at ScriptComponentSystem._onInitialize (https://code.playcanvas.com/playcanvas-stable.dbg.js:64278:9)
at Function._helper (https://code.playcanvas.com/playcanvas-stable.dbg.js:43440:12)
at Function.initialize (https://code.playcanvas.com/playcanvas-stable.dbg.js:43445:9)
at Application.start (https://code.playcanvas.com/playcanvas-stable.dbg.js:70576:20)
at https://launch.playcanvas.com/editor/scene/js/launch.js:14472:25
at Application._preloadScripts (https://code.playcanvas.com/playcanvas-stable.dbg.js:70315:5)
at https://launch.playcanvas.com/editor/scene/js/launch.js:14455:21
at done (https://code.playcanvas.com/playcanvas-stable.dbg.js:70271:6)
Migrating from PlayCanvas 3D HTML5 Game Engine to PlayCanvas 3D HTML5 Game Engine