Hi AgrimJain I have found another discussion about that and all these stuff were related to Angular version. I have upgraded to Angular 12 and no more errors with Promise rejection. Angular is also releasing 13 todays. andygup commented here: SceneView in Angular · Issue #107 · Esri/feedback-js-api-next · GitHub and you might check his fix: Upgrade your Angular to 11.2.x: ng update @angular/cli @angular/core Change your ts.config > compilerOptions > target to es2017. Update Zone.js to 0.11.4 - you'll need this update anyways when Angular 12 comes out in a few months.
... View more