Fatal error: Uncaught exception 'Zend_Http_Client_Adapter_Exception' with message 'Unable to Connect to ssl://api.linkedin.com:443. Error #0: ' in /var/www/chemiewerkt/system/ext/Zend/Oauth/Http.php on line 178

Zend_Http_Client_Adapter_Exception: Unable to Connect to ssl://api.linkedin.com:443. Error #0:  in /var/www/chemiewerkt/system/ext/Zend/Http/Client/Adapter/Socket.php on line 235

Call Stack:
    0.0004     147328   1. {main}() /var/www/chemiewerkt/index.php:0
    0.0099     615572   2. SJB_System::init() /var/www/chemiewerkt/index.php:58
    0.0262    1478304   3. SJB_PluginManager::loadPlugins() /var/www/chemiewerkt/system/core/System.php:237
    0.0265    1488740   4. require_once('/var/www/chemiewerkt/system/plugins/linkedin_social_plugin/index.php') /var/www/chemiewerkt/system/core/PluginManager.php:49
    0.0317    1870916   5. SJB_SocialPlugin::loadPlugin() /var/www/chemiewerkt/system/plugins/linkedin_social_plugin/index.php:5
    0.0317    1871500   6. LinkedinSocialPlugin->init() /var/www/chemiewerkt/system/lib/plugins/SocialPlugin.php:48
    0.0689    2610884   7. LinkedIn->_getRequestToken() /var/www/chemiewerkt/system/plugins/linkedin_social_plugin/linkedin_social_plugin.php:107
    0.0689    2611244   8. Zend_Oauth_Consumer->getRequestToken() /var/www/chemiewerkt/system/plugins/linkedin_social_plugin/linkedin/Linkedin.php:85
    0.0690    2611896   9. Zend_Oauth_Http_RequestToken->execute() /var/www/chemiewerkt/system/ext/Zend/Oauth/Consumer.php:115
    0.0741    2665868  10. Zend_Oauth_Http->startRequestCycle() /var/www/chemiewerkt/system/ext/Zend/Oauth/Http/RequestToken.php:51
    0.0741    2666016  11. Zend_Oauth_Http_RequestToken->_attemptRequest() /var/www/chemiewerkt/system/ext/Zend/Oauth/Http.php:175
    0.0754    2670308  12. Zend_Http_Client->request() /var/www/chemiewerkt/system/ext/Zend/Oauth/Http/RequestToken.php:160
    0.0778    2727288  13. Zend_Http_Client_Adapter_Socket->connect() /var/www/chemiewerkt/system/ext/Zend/Http/Client.php:969

Zend_Oauth_Exception: Error in HTTP request in /var/www/chemiewerkt/system/ext/Zend/Oauth/Http.php on line 178

Call Stack:
    0.0004     147328   1. {main}() /var/www/chemiewerkt/index.php:0
    0.0099     615572   2. SJB_System::init() /var/www/chemiewerkt/index.php:58
    0.0262    1478304   3. SJB_PluginManager::loadPlugins() /var/www/chemiewerkt/system/core/System.php:237
    0.0265    1488740   4. require_once('/var/www/chemiewerkt/system/plugins/linkedin_social_plugin/index.php') /var/www/chemiewerkt/system/core/PluginManager.php:49
    0.0317    1870916   5. SJB_SocialPlugin::loadPlugin() /var/www/chemiewerkt/system/plugins/linkedin_social_plugin/index.php:5
    0.0317    1871500   6. LinkedinSocialPlugin->init() /var/www/chemiewerkt/system/lib/plugins/SocialPlugin.php:48
    0.0689    2610884   7. LinkedIn->_getRequestToken() /var/www/chemiewerkt/system/plugins/linkedin_social_plugin/linkedin_social_plugin.php:107
    0.0689    2611244   8. Zend_Oauth_Consumer->getRequestToken() /var/www/chemiewerkt/system/plugins/linkedin_social_plugin/linkedin/Linkedin.php:85
    0.0690    2611896   9. Zend_Oauth_Http_RequestToken->execute() /var/www/chemiewerkt/system/ext/Zend/Oauth/Consumer.php:115
    0.0741    2665868  10. Zend_Oauth_Http->startRequestCycle() /var/www/chemiewerkt/system/ext/Zend/Oauth/Http/RequestToken.php:51