Licence key issue in Gojs with Angular

Hi

  1. I am moving my gojs Code from Simple JavaScript project to Angular project.
  2. my Gojs version get change From v2.2.16 to v2.3.8 .
  3. I am import Same license key in Angular project but license key is not working its Showing watermark.

license key implement Code:

When you upgrade to a new minor (or major) version, you’ll need to get a new license key. Ask at: Product Activation