javascript - Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'getById')

Question

当我尝试访问我创建的 Web 部件时出现以下错误：未捕获（承诺中）类型错误：无法读取未定义的属性（读取“getById”）。

代码如下：

public static async getChannels(groupId: string): Promise<any[]> {

    var channels: any[] = [];

    channels = await graph.teams.getById(groupId).channels.get();

    return channels;
  }

谢谢您的帮助！