Fatal error: Uncaught TypeError: Return value of RDEV_SOCIAL_MESSENGER::UpdateStrings() must be an instance of void, none returned in /home/klient.dhosting.pl/heros333/pobitno.dkonto.pl/public_html/wp-content/plugins/social-messenger/assets/class.php:289 Stack trace: #0 /home/klient.dhosting.pl/heros333/pobitno.dkonto.pl/public_html/wp-content/plugins/social-messenger/assets/class.php(38): RDEV_SOCIAL_MESSENGER::UpdateStrings() #1 /home/klient.dhosting.pl/heros333/pobitno.dkonto.pl/public_html/wp-content/plugins/social-messenger/social_messenger.php(37): RDEV_SOCIAL_MESSENGER->__construct() #2 /home/klient.dhosting.pl/heros333/pobitno.dkonto.pl/public_html/wp-settings.php(377): include_once('/home/klient.dh...') #3 /home/klient.dhosting.pl/heros333/pobitno.dkonto.pl/public_html/wp-config.php(74): require_once('/home/klient.dh...') #4 /home/klient.dhosting.pl/heros333/pobitno.dkonto.pl/public_html/wp-load.php(37): require_once('/home/klient.dh...') #5 /home/klient.dhosting.pl/heros333/pobitno.dkonto.pl/public_html/wp-blog- in /home/klient.dhosting.pl/heros333/pobitno.dkonto.pl/public_html/wp-content/plugins/social-messenger/assets/class.php on line 289