Fatal error: Uncaught Error: Call to undefined function wp_get_wp_version() in /home/thistle2/public_html/wp-content/plugins/rsfirewall/libraries/i18n.php:39 Stack trace: #0 /home/thistle2/public_html/wp-content/plugins/rsfirewall/libraries/form.php(35): RSFirewall_i18n::get_locale('form_configurat...') #1 /home/thistle2/public_html/wp-content/plugins/rsfirewall/libraries/model.php(61): RSFirewall_Form->__construct('/home/thistle2/...') #2 /home/thistle2/public_html/wp-content/plugins/rsfirewall/models/configuration.php(19): RSFirewall_Model->__construct() #3 /home/thistle2/public_html/wp-content/plugins/rsfirewall/libraries/model.php(78): RSFirewall_Model_Configuration->__construct() #4 /home/thistle2/public_html/wp-content/plugins/rsfirewall/helpers/rsfirewall.php(477): RSFirewall_Model::get_instance() #5 /home/thistle2/public_html/wp-content/plugins/rsfirewall/libraries/config.php(22): RSFirewall_Helper::call_user_func_pro(Array) #6 /home/thistle2/public_html/wp-content/plugins/rsfirewall/libraries/rsfirewall.php(75): in /home/thistle2/public_html/wp-content/plugins/rsfirewall/libraries/i18n.php on line 39