main.bundle.js:6779 Uncaught TypeError: Object.setPrototypeOf called on null or undefined
    at setPrototypeOf (<anonymous>)
    at webpackJsonp.../../../../../src/ui-components/src/components/phone-number-input/phone-number-input.component.ts.__extends (main.bundle.js:6779)
    at phone-number-input.component.ts:24
    at Object.../../../../../src/ui-components/src/components/phone-number-input/phone-number-input.component.ts (phone-number-input.component.ts:69)
    at __webpack_require__ (bootstrap 8652e46ce92ee05aa5a3:54)
    at Object.../../../../../src/ui-components/src/components/phone-number-input/phone-number-input.module.ts (phone-number-input.component.ts:24)
    at __webpack_require__ (bootstrap 8652e46ce92ee05aa5a3:54)
    at Object.../../../../../src/ui-components/src/ui-components.module.ts (roman-numeral.pipe.ts:10)
    at __webpack_require__ (bootstrap 8652e46ce92ee05aa5a3:54)
    at Object.../../../../../src/app/app.module.ts (app.component.ts:31)
webpackJsonp.../../../../../src/ui-components/src/components/phone-number-input/phone-number-input.component.ts.__extends @ main.bundle.js:6779
(anonymous) @ phone-number-input.component.ts:24
../../../../../src/ui-components/src/components/phone-number-input/phone-number-input.component.ts @ phone-number-input.component.ts:69
__webpack_require__ @ bootstrap 8652e46ce92ee05aa5a3:54
../../../../../src/ui-components/src/components/phone-number-input/phone-number-input.module.ts @ phone-number-input.component.ts:24
__webpack_require__ @ bootstrap 8652e46ce92ee05aa5a3:54
../../../../../src/ui-components/src/ui-components.module.ts @ roman-numeral.pipe.ts:10
__webpack_require__ @ bootstrap 8652e46ce92ee05aa5a3:54
../../../../../src/app/app.module.ts @ app.component.ts:31
__webpack_require__ @ bootstrap 8652e46ce92ee05aa5a3:54
../../../../../src/main.ts @ environment.ts:10
__webpack_require__ @ bootstrap 8652e46ce92ee05aa5a3:54
2 @ ui-components.module.ts:108
__webpack_require__ @ bootstrap 8652e46ce92ee05aa5a3:54
webpackJsonpCallback @ bootstrap 8652e46ce92ee05aa5a3:25
(anonymous) @ main.bundle.js:1

当遵循指定的文件和行号时,我找不到任何问题. IDE显示没有问题,编译发生没有错误.

当试图注释掉错误中提到的组件时,它只是开始提到另一个组件.

可能导致这种情况的原因以及如何调试/调查这个神秘错误？