Error in Gnome version 41.3: No property margin on GtkGrid

[shackra]

when attempting to open the add-on configuration:

Error: No property margin on GtkGrid

Stack trace:
  _init/Gtk.Widget.prototype._init@resource:///org/gnome/gjs/modules/core/overrides/Gtk.js:47:50
  buildPrefsWidget@/home/jorge/.local/share/gnome-shell/extensions/gnomespotifylabel@mheine.github.com/prefs.js:25:23
  _init@resource:///org/gnome/Shell/Extensions/js/extensionsService.js:219:40
  OpenExtensionPrefsAsync/<@resource:///org/gnome/Shell/Extensions/js/extensionsService.js:128:33
  asyncCallback@resource:///org/gnome/gjs/modules/core/overrides/Gio.js:115:22
  run@resource:///org/gnome/Shell/Extensions/js/dbusService.js:177:20
  main@resource:///org/gnome/Shell/Extensions/js/main.js:19:13
  run@resource:///org/gnome/gjs/modules/script/package.js:206:19
  start@resource:///org/gnome/gjs/modules/script/package.js:190:8
  @/usr/share/gnome-shell/org.gnome.Shell.Extensions:1:17