node : (node:17860) 
[MONGOOSE] Warning: 
Duplicate schema index on 
{"registrationCode":1} 
found. This is often due to 
declaring an index using 
both "index: true" and 
"schema.index()". Please 
remove the duplicate index 
definition.
At line:1 char:1
+ node server.js 2>&1 | 
out-file -encoding utf8 
trace.txt; get-content  ...
+ ~~~~~~~~~~~~~~~~~~~
    + CategoryInfo           
   : NotSpecified: ((node:1  
  7860) [M...dex definitio   
 n.:String) [], RemoteExc    
eption
    + FullyQualifiedErrorId  
   : NativeCommandError
 
(Use `node --trace-warnings 
...` to show where the 
warning was created)
MongoDB Connected: localhost
2026-03-19 08:19:49 [info]: Schedule runner initialized (runs every minute)
2026-03-19 08:19:49 [error]: UNCAUGHT EXCEPTION! Shutting down...
2026-03-19 08:19:49 [error]: Error: listen EADDRINUSE: address already in use :::5005
    at Server.setupListenHandle [as _listen2] (node:net:2008:16)
    at listenInCluster (node:net:2065:12)
    at Server.listen (node:net:2170:7)
    at startServer (file:///D:/Cosign-CMS/cosign-cms-backend/server.js:60:12)
    at process.processTicksAndRejections (node:internal/process/task_queues:104:5)