Error: Uncaught (in promise): at resolvePromise issue

Hi,
I am using cesium(1.113) CDN link in Angular 10 app.
after zooming tiles data getting this console error in loops.
Error: Uncaught (in promise): [object Undefined] at resolvePromise

this.tileset = await Cesium.Cesium3DTileset.fromUrl(url,
      {
        skipLevelOfDetail: true,
        baseScreenSpaceError: 1024,
        skipScreenSpaceErrorFactor: 16,
        skipLevels: 1,
        immediatelyLoadDesiredLevelOfDetail: false,
        loadSiblings: false,
        cullWithChildrenBounds: true,
        dynamicScreenSpaceError: true,
        dynamicScreenSpaceErrorDensity: 0.00278,
        dynamicScreenSpaceErrorFactor: 4.0,
        dynamicScreenSpaceErrorHeightFalloff: 0.25,
      }
    );

    this.zone.runOutsideAngular(async () => {
      try {
        await this.viewer.scene.primitives.add(this.tileset);
        await this.viewer.zoomTo(this.tileset);
      } catch (ex) {
        console.log('error')
      }
    })