Fatal error: Uncaught TypeError: Argument 1 passed to LinkedIn::__construct() must be of the type string, null given, called in /home/w9wfiya8n5o8/public_html/catalog/controller/extension/module/so_sociallogin.php on line 475 and defined in /home/w9wfiya8n5o8/public_html/system/library/so_social/linkedIn/oauth_client.php:13 Stack trace: #0 /home/w9wfiya8n5o8/public_html/catalog/controller/extension/module/so_sociallogin.php(475): LinkedIn->__construct(NULL, NULL, 'https://www.pot...', 'r_emailaddress ...', false) #1 /home/w9wfiya8n5o8/public_html/catalog/controller/extension/module/so_sociallogin.php(481): ControllerExtensionModuleSoSociallogin->Linkedin() #2 /home/w9wfiya8n5o8/storage2/modification/system/engine/action.php(79): ControllerExtensionModuleSoSociallogin->LinkedinLogin() #3 /home/w9wfiya8n5o8/public_html/catalog/controller/startup/router.php(25): Action->execute(Object(Registry)) #4 /home/w9wfiya8n5o8/storage2/modification/system/engine/action.php(79): ControllerStartupRouter->index() #5 /home/w9wfiya8n5o8/st in /home/w9wfiya8n5o8/public_html/system/library/so_social/linkedIn/oauth_client.php on line 13