aws-放大错误！！！ 类型错误：无法读取 null 的属性“indexOf”

Question

我是初学者，我正在尝试使用 aws-amplify 构建一个有角度的应用程序，但在“构建”阶段我收到此错误：

[错误]： ！！！ 类型错误：无法读取 null 的属性“indexOf”

2020-03-29T09:14:11.296Z [INFO]: # Retrieving cache...
2020-03-29T09:14:11.325Z [INFO]: # Extracting cache...
2020-03-29T09:14:11.339Z [INFO]: # Extraction completed
2020-03-29T09:14:11.340Z [INFO]: # Retrieving environment cache...
2020-03-29T09:14:11.358Z [INFO]: # Retrieved environment cache
2020-03-29T09:14:11.359Z [INFO]: # Ensuring NPM package '@aws-amplify/cli' is version: 'latest'
2020-03-29T09:14:19.403Z [INFO]: # Patching NPM package '@aws-amplify/cli' from 1.12.0 to 4.17.2...
2020-03-29T09:15:11.525Z [INFO]: # Done patching NPM package '@aws-amplify/cli'
2020-03-29T09:15:19.608Z [ERROR]: !!! TypeError: Cannot read property 'indexOf' of null
2020-03-29T09:15:19.669Z [INFO]: # Starting environment caching...
2020-03-29T09:15:19.670Z [INFO]: # Environment caching completed

有任何想法吗？

谢谢，

马可

Answer 1

如果这是其他任何人的问题，如果您注释掉任何构建命令，就会发生此错误：