Application bundle generation failed. [2.599 seconds] ✘ [ERROR] Decorators are not valid here angular:script/global:scripts.js:1:0: 1 │ @charset "UTF-8";/*! ╵ ^ ✘ [ERROR] Unexpected ":" angular:script/global:scripts.js:5:3: 5 │ */:root,[data-bs-theme=light]{--bs-blue:#0d6efd;--bs-indigo:#6610f... ╵ ^ An error occured in my Angular application, when trying to add bootstrap popper-js in script tag. Continue reading...