Slim Application Error

The application could not run because of the following error:

Details

Type: ErrorException
Code: 2
Message: First parameter must either be an object or the name of an existing class
File: /usr/local/cwpsrv/var/services/user_api/v1/app/routes/api.php

Trace

#0 /usr/local/cwpsrv/var/services/user_api/v1/app/routes/api.php(0): Slim\Slim::handleErrors(2, 'First parameter...', '/usr/local/cwps...', 0, Array)

#1 /usr/local/cwpsrv/var/services/user_api/v1/Slim/Route.php(0): {closure}()

#2 /usr/local/cwpsrv/var/services/user_api/v1/Slim/Slim.php(0): Slim\Route->dispatch()

#3 /usr/local/cwpsrv/var/services/user_api/v1/Slim/Middleware/Flash.php(0): Slim\Slim->call()

#4 /usr/local/cwpsrv/var/services/user_api/v1/Slim/Middleware/MethodOverride.php(0): Slim\Middleware\Flash->call()

#5 /usr/local/cwpsrv/var/services/user_api/v1/Slim/Middleware/PrettyExceptions.php(0): Slim\Middleware\MethodOverride->call()

#6 /usr/local/cwpsrv/var/services/user_api/v1/Slim/Slim.php(0): Slim\Middleware\PrettyExceptions->call()

#7 /usr/local/cwpsrv/var/services/user_api/v1/index.php(0): Slim\Slim->run()

#8 {main}