I am geting error while trying to stop managed server of WEB LOGIC

Dear All,

I am geting error while trying to stop managed server of WEB LOGIC through the command stop_wls managed1_wlsdom02.Can anyone tell me why I am geting this error?managed1_wlsdom02.pid exists at the path mentioned.

Do you need any other details?
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Error Details
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hwbip02:wlsuser:/wls_domains/wlsdom02>stop_wls managed1_wlsdom02
07/02/22 07:02:39 hwbip02 wlsdom02 MPSWLSPW0020 WARNING wlsuser 10629 No pid file /wls_domains/wlsdom02/managed1_wlsdom02.pid exists
using weblogic.Admin to stop WebLogic server managed1_wlsdom02
07/02/22 07:02:44 hwbip02 wlsdom02 MPSWLSPW0100 MINOR wlsuser 10629 Server managed1_wlsdom02 failure:Java Output =
Failed to connect to t3://hwbip02.nat.bt.com:7005: Destination unreachable; nested exception is:
java.net.ConnectException: Connection refused; No available router to destination, code = 1
Server managed1_wlsdom02 stop request didn't work
INF: stop_wls script ran successfully till the end
hwbip02:wlsuser:/wls_domains/wlsdom02>stop_wls admin1_wlsdom02
07/02/22 07:03:43 hwbip02 wlsdom02 MPSWLSPW0010 MINOR wlsuser 11369 Could not get Port value from /wls_domains/wlsdom02/bt_hwbip02_servers.conf
hwbip02:wlsuser:/wls_domains/wlsdom02>