部署Azure功能时如何解决“服务不可用”？

如何解决部署Azure功能时如何解决“服务不可用”？

我正在尝试使用以下命令部署 azure 函数：

az functionapp deployment source config-zip -g "resourcegroup" -n "function-app" --src MyFunction.zip --debug

但我收到一个 BadRequest 错误。

调试标志允许我查看导致问题的详细请求：

urllib3.connectionpool: https://management.azure.com:443 "POST /subscriptions/**uuid**/resourceGroups/**resourcegrouP**/providers/Microsoft.Web/sites/**function-apP**/syncfunctiontriggers?api-version=2019-08-01 HTTP/1.1" 400 346
msrest.http_logger: Response status: 400
msrest.http_logger: Response headers:
msrest.http_logger:     'Cache-Control': 'no-cache'
msrest.http_logger:     'Pragma': 'no-cache'
msrest.http_logger:     'Content-Length': '346'
msrest.http_logger:     'Content-Type': 'application/json; charset=utf-8'
msrest.http_logger:     'Expires': '-1'
msrest.http_logger:     'Strict-Transport-Security': 'max-age=31536000; includeSubDomains'
msrest.http_logger:     'Server': 'Microsoft-IIS/10.0'
msrest.http_logger:     'X-AspNet-Version': '4.0.30319'
msrest.http_logger:     'X-Powered-By': 'ASP.NET'
msrest.http_logger:     'x-ms-ratelimit-remaining-subscription-writes': '1199'
msrest.http_logger:     'x-ms-request-id': '**removed**'
msrest.http_logger:     'x-ms-correlation-request-id': '**removed**'
msrest.http_logger:     'x-ms-routing-request-id': '**removed**'
msrest.http_logger:     'X-Content-Type-Options': 'nosniff'
msrest.http_logger:     'Date': 'Tue,08 Jun 2021 16:20:41 GMT'
msrest.http_logger: Response content:
msrest.http_logger: {"Code":"BadRequest","Message":"Encountered an error (ServiceUnavailable) from host runtime.","Target":null,"Details":[{"Message":"Encountered an error (ServiceUnavailable) from host runtime."},{"Code":"BadRequest"},{"ErrorEntity":{"Code":"BadRequest","Message":"Encountered an error (ServiceUnavailable) from host runtime."}}],"Innererror":null}
msrest.exceptions: Operation returned an invalid status code 'Bad Request'
cli.azure.cli.core.util: azure.cli.core.util.handle_exception is called with an exception:
cli.azure.cli.core.util: Traceback (most recent call last):
  File "/opt/az/lib/python3.6/site-packages/knack/cli.py",line 233,in invoke
    cmd_result = self.invocation.execute(args)
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/__init__.py",line 659,in execute
    raise ex
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/__init__.py",line 722,in _run_jobs_serially
    results.append(self._run_job(expanded_arg,cmd_copy))
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/__init__.py",line 715,in _run_job
    six.reraise(*sys.exc_info())
  File "/opt/az/lib/python3.6/site-packages/six.py",line 703,in reraise
    raise value
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/__init__.py",line 693,in _run_job
    result = cmd_copy(params)
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/commands/__init__.py",line 330,in __call__
    return self.handler(*args,**kwargs)
  File "/opt/az/lib/python3.6/site-packages/azure/cli/core/__init__.py",line 786,in default_command_handler
    return op(**command_args)
  File "/opt/az/lib/python3.6/site-packages/azure/cli/command_modules/appservice/custom.py",line 383,in enable_zip_deploy_functionapp
    return upload_zip_to_storage(cmd,resource_group_name,name,src,slot)
  File "/opt/az/lib/python3.6/site-packages/azure/cli/command_modules/appservice/custom.py",line 584,in upload_zip_to_storage
    raise ex
  File "/opt/az/lib/python3.6/site-packages/azure/cli/command_modules/appservice/custom.py",line 577,in upload_zip_to_storage
    client.web_apps.sync_function_triggers(resource_group_name,name)
  File "/opt/az/lib/python3.6/site-packages/azure/mgmt/web/v2019_08_01/operations/_web_apps_operations.py",line 26131,in sync_function_triggers
    raise models.DefaultErrorResponseException(self._deserialize,response)
azure.mgmt.web.v2019_08_01.models._models_py3.DefaultErrorResponseException: Operation returned an invalid status code 'Bad Request'

cli.azure.cli.core.azclierror: BadRequestError: Operation returned an invalid status code 'Bad Request'

我该如何解决这个 BadRequest (Encountered an error (ServiceUnavailable) from host runtime) 错误及其含义？