loadrunner报错27794

Error -27794: Failed to connect to server "127.0.0.1:16823": [10061] Connection refused   [MsgId: MERR-27794]
Fatal Error -27098: Could not download the proxy automatic configuration script (URL="http://127.0.0.1:16823/proxy_on.pac"). See previous messages.  Refer to the ‘Run-time settings/Internet Protocol/Proxy‘   [MsgId: MERR-27098]
Fatal Error -27072: The URL of the proxy automatic configuration script was explicitly specified in "Run-time settings/Internet Protocol/Proxy".  Aborting   [MsgId: MERR-27072]

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