Fatal error: Classes\Mail_Integration_365\Mail::send(): The script tried to execute a method or access a property of an incomplete object. Please ensure that the class definition "TheNetworg\OAuth2\Client\Token\AccessToken" of the object you are trying to operate on was loaded _before_ unserialize() gets called or provide an autoloader to load the class definition in /home/www/public_html/wordpress/wp-content/plugins/mail-integration-365/classes/mail_integration_365/mail.php on line 151
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