系统分配托管身份无法访问Azure Data Factory API的问题排查

• 正在按照一篇讲解ADF自定义队列机制的教程操作，但始终无法完成身份验证
• 使用系统分配托管身份时，收到如下错误：

{"error":{"code":"AuthorizationFailed","message":"The client {client} with object id {object} does not have authorization to perform action 'Microsoft.DataFactory/factories/querypipelineruns/read' over scope '/subscriptions/{subscription}/resourceGroups/{resourcegroup}/providers/Microsoft.DataFactory/factories/{datafactory}' or the scope is invalid. If access was recently granted, please refresh your credentials."}}

• 尝试改用用户分配托管身份，已创建该身份并添加到Data Factory的托管身份设置中，但仍出现相同错误
• 调用微软官方的Pipeline Runs查询API时，所有操作正常
• 当前Web活动配置截图：
  

内容的提问来源于stack exchange，提问作者SQL_Noob