将Codeigniter与Sentry 2集成时出错

Question

I simply followed the instruction of the following link but am getting this error while integrating Sentry 2 with Codeigniter 3.

Link: https://cartalyst.com/manual/sentry/2.1#configuration

A PHP Error was encountered

Severity: Warning
Message: Class 'Cartalyst\Sentry\Facades\CI\Sentry' not found
Filename: config/config.php
Line Number: 513

Backtrace:

File: C:\wamp\www\codeigniter2\application\config\config.php
Line: 513
Function: class_alias

File: C:\wamp\www\codeigniter2\index.php
Line: 292
Function: require_once

Answer 1

you must run

composer dump-autoload 

first