Missing provider application credentials.

Original error message: Your application id and secret are required in order to connect to LinkedIn.

Trace

#0 /home/standard_digital/httpdocs/recruitment/application/libraries/hybridauth/hybridauth/Hybrid/Providers/LinkedIn.php(23): Hybrid_Provider_Model_OAuth2->initialize()
#1 /home/standard_digital/httpdocs/recruitment/application/libraries/hybridauth/hybridauth/Hybrid/Provider_Model.php(90): Hybrid_Providers_LinkedIn->initialize()
#2 /home/standard_digital/httpdocs/recruitment/application/libraries/hybridauth/hybridauth/Hybrid/Provider_Adapter.php(101): Hybrid_Provider_Model->__construct('LinkedIn', Array, Array)
#3 /home/standard_digital/httpdocs/recruitment/application/libraries/hybridauth/hybridauth/Hybrid/Auth.php(289): Hybrid_Provider_Adapter->factory('linkedIn', Array)
#4 /home/standard_digital/httpdocs/recruitment/application/libraries/hybridauth/hybridauth/Hybrid/Auth.php(237): Hybrid_Auth::setup('linkedIn', NULL)
#5 /home/standard_digital/httpdocs/recruitment/application/libraries/Hauth.php(84): Hybrid_Auth::authenticate('linkedIn')
#6 /home/standard_digital/httpdocs/recruitment/application/controllers/Social.php(24): Hauth->login('linkedin')
#7 [internal function]: Social->login('linkedin')
#8 /home/standard_digital/httpdocs/recruitment/system/core/CodeIgniter.php(514): call_user_func_array(Array, Array)
#9 /home/standard_digital/httpdocs/recruitment/index.php(292): require_once('/home/standard_...')
#10 {main}