Extension error on Gnome 49

[Balazsoficial]

The settings of extension appindicatorsupport@rgcjonas.gmail.com had an error:

Error: Type name Gjs_preferences_generalPage_AppIndicatorGeneralPage is already registered

Stack trace:
  _registerGObjectType@resource:///org/gnome/gjs/modules/core/overrides/GObject.js:288:46
  _registerWidgetType@resource:///org/gnome/gjs/modules/core/overrides/Gtk.js:106:34
  _init/GObject.Object._classInit@resource:///org/gnome/gjs/modules/core/overrides/GObject.js:607:33
  _init/Gtk.Widget._classInit@resource:///org/gnome/gjs/modules/core/overrides/Gtk.js:59:31
  registerClass@resource:///org/gnome/gjs/modules/core/overrides/GObject.js:74:23
  @file:///home/balazsofficial/.local/share/gnome-shell/extensions/appindicatorsupport@rgcjonas.gmail.com/preferences/generalPage.js:9:34
  _init/GLib.MainLoop.prototype.runAsync/</<@resource:///org/gnome/gjs/modules/core/overrides/GLib.js:263:34
  

I am using Gnome 49 and this is the newest version and if i turn the extension off once it wont turn on due to an error with the extension