emberjs/ember.js · error · Error

Changing a view's elementId after creation is not allowed

Error message

Changing a view's elementId after creation is not allowed

What it means

Error "Changing a view's elementId after creation is not allowed" thrown in emberjs/ember.js.

Source

Thrown at packages/@ember/-internals/views/lib/views/states.ts:89

    if (DEBUG) {
      let elementId = view.elementId;

      assert(
        '[BUG] Expected teardownMandatorySetter to be set in DEBUG mode',
        teardownMandatorySetter
      );
      teardownMandatorySetter(view, 'elementId');

      Object.defineProperty(view, 'elementId', {
        configurable: true,
        enumerable: true,

        get() {
          return elementId;
        },
        set(value) {
          if (value !== elementId) {
            throw new Error("Changing a view's elementId after creation is not allowed");
          }
        },
      });
    }
  },
});

const DESTROYING: Readonly<ViewState> = Object.freeze({
  ...DEFAULT,

  appendChild() {
    throw new Error("You can't call appendChild on a view being destroyed");
  },

  rerender() {
    throw new Error("You can't call rerender on a view being destroyed");
  },
});

View on GitHub (pinned to 26f97246a8)

When it happens

Trigger: Thrown at packages/@ember/-internals/views/lib/views/states.ts:89 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of emberjs/ember.js@26f97246a8 (2026-09-01). Data as JSON: /api/errors/b9d4c8bbea6f9943. Report an issue: GitHub.