emberjs/ember.js · error

You attempted to invoke a path (\`{{${resolution.path}}}\`)

Error message

You attempted to invoke a path (\`{{${resolution.path}}}\`) as a modifier, but ${resolution.head} was not in scope

What it means

Error "You attempted to invoke a path (\`{{${resolution.path}}}\`) as a modifier, but ${resolution.head} was not in scope" thrown in emberjs/ember.js.

Source

Thrown at packages/@glimmer/syntax/lib/v2/normalize.ts:620

    if (element.selfClosing) {
      return el.selfClosingComponent(path, loc);
    } else {
      let blocks = children.assertComponent(tag, child.table, element.blockParams.length > 0);
      return el.componentWithNamedBlocks(path, blocks, loc);
    }
  }

  private modifier(m: ASTv1.ElementModifierStatement): ASTv2.ElementModifier {
    // modifier.path used to incorrectly have the type ASTv1.Expression
    if (isLiteral(m.path)) {
      assertIllegalLiteral(m.path, m.loc);
    }

    let resolution = this.ctx.resolutionFor(m, ModifierSyntaxContext);

    if (resolution.result === 'error') {
      throw generateSyntaxError(
        `You attempted to invoke a path (\`{{${resolution.path}}}\`) as a modifier, but ${resolution.head} was not in scope`,
        m.loc
      );
    }

    let callParts = this.expr.callParts(m, resolution.result);
    return this.ctx.builder.modifier(callParts, this.ctx.loc(m.loc));
  }

  /**
   * This method handles attribute values that are curlies, as well as curlies nested inside of
   * interpolations:
   *
   * ```hbs
   * <a href={{url}} />
   * <a href="{{url}}.html" />
   * ```
   */

View on GitHub (pinned to 26f97246a8)

When it happens

Trigger: Thrown at packages/@glimmer/syntax/lib/v2/normalize.ts:620 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/54485e00dce819b8. Report an issue: GitHub.