Don't know what to do about that error, now I'm trying a @glimmer/component upgrade

Author: NullVoxPopuli

docs/package.json

@@ -42,7 +42,7 @@
     "@ember/optional-features": "^2.0.0",
     "@ember/string": "^3.1.1",
     "@ember/test-helpers": "^3.2.1",
-    "@glimmer/component": "^1.0.4",
+    "@glimmer/component": "^2.1.1",
     "@glimmer/tracking": "^1.0.4",
     "@glint/ember-tsc": "^1.5.0",
     "@glint/template": "^1.7.7",