This page isn’t working localhost is currently unable to handle this request. HTTP ERROR 500

[ali-ehsan]

Main error

Application notebook launch may have produced errors.

Traceback

[I 16:04:05.720 NotebookApp] Serving notebooks from local directory: C:\Users\abc
[I 16:04:05.720 NotebookApp] 0 active kernels 
[I 16:04:05.720 NotebookApp] The Jupyter Notebook is running at: http://localhost:8888/?token=637f27bb07f1921485dd1d25f554f1e351b077e926866aa5
[I 16:04:05.721 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
[C 16:04:05.723 NotebookApp] 

    Copy/paste this URL into your browser when you connect for the first time,
    to login with a token:
        http://localhost:8888/?token=637f27bb07f1921485dd1d25f554f1e351b077e926866aa5
[I 16:04:05.888 NotebookApp] Accepting one-time-token-authenticated connection from ::1
[E 16:04:05.940 NotebookApp] Uncaught exception GET /tree?token=bdf79698613b7502ab71f777cadcafab3cb0af006ae86a1e (::1)
    HTTPServerRequest(protocol='http', host='localhost:8888', method='GET', uri='/tree?token=bdf79698613b7502ab71f777cadcafab3cb0af006ae86a1e', version='HTTP/1.1', remote_ip='::1', headers={'Accept-Language': 'en-US,en;q=0.8', 'Accept-Encoding': 'gzip, deflate, br', 'Host': 'localhost:8888', 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8', 'Upgrade-Insecure-Requests': '1', 'Connection': 'keep-alive', 'Cookie': '_xsrf=2|b35022bb|4a6ab5b67deefb5e8154629b4444347e|1506767692; username-localhost-8889="2|1:0|10:1506767883|23:username-localhost-8889|44:ZDY3ZTY0YWEyMjBjNGU1YmI2MTgzNjllZTk1MzdmMTE=|5d265ea8cc0a0d35a623d5c3ecfb94662f6e01bbd350a54

[Trophy-Developers-UG-CO-Ltd]

Change From Php.ini file in your Wamp or Mamp ; Default timeout for socket based streams (seconds) ; http://php.net/default-socket-timeout default_socket_timeout = 120 time out by default is 60