Cannot login to erpnext first time

Install / Update
1

Had installed a fresh copy of erpnext in my server.
when try to login using administrator credentials for first time nothing happens. its just not logging in.

when i check the consoles of browser it shows:

POST http://192.168.0.2:9090/ 404 (NOT FOUND) - jquery.min.js:4

Uncaught SyntaxError: Unexpected token < in JSON at position 0
    at JSON.parse (<anonymous>)
    at Object.<anonymous> (http://192.168.0.2:9090/assets/js/frappe-web.min.js:633:33)
    at i (http://192.168.0.2:9090/assets/frappe/js/lib/jquery/jquery.min.js:2:27151)
    at Object.fireWith [as rejectWith] (http://192.168.0.2:9090/assets/frappe/js/lib/jquery/jquery.min.js:2:27914)
    at z (http://192.168.0.2:9090/assets/frappe/js/lib/jquery/jquery.min.js:4:12084)
    at XMLHttpRequest.<anonymous> (http://192.168.0.2:9090/assets/frappe/js/lib/jquery/jquery.min.js:4:15619)

What could be the problem pls help me,
regards.

2

start setup with bench start instead of bench serve --port command

3

i want it to be served to 9090 port

4

there’s something wrong with your router / modem /switch - > do not connect directly or just reset it, that’s what i DID