Error: Schema org.gnome.shell.extensions.net.gfxmonk.shellshape.prefs could not be found for extension [email protected]

Stack trace:
  get_local_gsettings("org.gnome.shell.extensions.net.gfxmonk.shellshape.prefs")@/usr/share/gnome-shell/extensions/[email protected]/shellshape_settings.js:72
  Prefs()@/usr/share/gnome-shell/extensions/[email protected]/shellshape_settings.js:97
  buildPrefsWidget()@/usr/share/gnome-shell/extensions/[email protected]/prefs.js:10
  ("[email protected]")@/usr/share/gnome-shell/js/extensionPrefs/main.js:100
  wrapper("[email protected]")@/usr/share/gjs-1.0/lang.js:204
  ([object _private_Gtk_ComboBox])@/usr/share/gnome-shell/js/extensionPrefs/main.js:119
  wrapper([object _private_Gtk_ComboBox])@/usr/share/gjs-1.0/lang.js:204
  ("[email protected]")@/usr/share/gnome-shell/js/extensionPrefs/main.js:110
  wrapper("[email protected]")@/usr/share/gjs-1.0/lang.js:204
  ([object _private_Gtk_Application],[object _private_Gio_ApplicationCommandLine])@/usr/share/gnome-shell/js/extensionPrefs/main.js:245
  wrapper([object _private_Gtk_Application],[object _private_Gio_ApplicationCommandLine])@/usr/share/gjs-1.0/lang.js:204
  main([object Array])@/usr/share/gnome-shell/js/extensionPrefs/main.js:277
  @<command line>:1