初始化AWS Amplify时出现“InvalidClientTokenID”错误

我试着用

$ amplify init

在android项目中。不知何故,每次安装失败时,都会出现以下stacktrace:

在云中初始化项目…创建时出错 cloudformation堆栈根堆栈创建失败init失败{ invalidClientTokenID:请求中包含的安全令牌是 无效。 应请求.extracterror(/usr/local/lib/node-modules/@aws-amplify/cli/node-modules/amplify-provider-awscloudformation/node-modules/aws-sdk/lib/protocol/query.js:47:29) 应请求。调用侦听器(/usr/local/lib/node_modules/@aws amplify/cli/node_modules/amplify provider awscloudformation/node_modules/aws sdk/lib/sequential_executor.js:109:20) 应请求发出(/usr/local/lib/node庘modules/@aws amplify/cli/node庘modules/amplify provider awscloudformation/node庘modules/aws sdk/lib/sequential庘executor.js:81:10) 应请求发出(/usr/local/lib/node庘modules/@aws amplify/cli/node庘modules/amplify provider awscloudformation/node庘modules/aws sdk/lib/request.js:683:14) 应请求转换(/usr/local/lib/node庘modules/@aws amplify/cli/node庘modules/amplify provider awscloudformation/node庘modules/aws sdk/lib/request.js:22:10) 在acceptorstatemachine.runto(/usr/local/lib/node_modules/@aws amplify/cli/node_modules/amplify provider awscloudformation/node_modules/aws sdk/lib/state_machine.js:14:12) at/usr/local/lib/node庘modules/@aws-amplify/cli/node庘modules/amplify-provider-awscloudformation/node庘modules/aws-sdk/lib/state庘machine.js:26:10 应请求。(/usr/local/lib/node庘modules/@aws-amplify/cli/node庘modules/amplify-provider-awscloudformation/node庘modules/aws-sdk/lib/request.js:38:9) 应请求。(/usr/local/lib/node庘modules/@aws-amplify/cli/node庘modules/amplify-provider-awscloudformation/node庘modules/aws-sdk/lib/request.js:685:12) 应请求。调用侦听器(/usr/local/lib/node_modules/@aws amplify/cli/node_modules/amplify provider awscloudformation/node_modules/aws sdk/lib/sequential_executor.js:119:18) 消息:“请求中包含的安全令牌无效。”,
代码:“InvalidClientTokenID”,时间:2018-10-30T12:24:49.192Z,
请求ID:'CB4CC85A-DC3E-11E8-AD2E-1DD03551193D',状态代码:403, retryable:false,retrydelay:71.00058281764416}发生错误 创建cloudformation堆栈时

我尝试删除~/.aws/文件夹中的凭据和配置文件,同时删除aws iam用户并运行

$ aws configure 

再次执行init命令,但没有任何帮助。不知道怎么了。