getting this error while activate plugin Plugin could not be activated because it triggered a fatal error.
Fatal error: Uncaught TypeError: Unsupported operand types: string + int in /var/www/html/wp-content/plugins/wp-hide-security-enhancer-pro/include/class.licence.php:94 Stack trace: #0 /var/www/html/wp-content/plugins/wp-hide-security-enhancer-pro/include/class.licence.php(10): WPH_licence->licence_deactivation_check() #1 /var/www/html/wp-content/plugins/wp-hide-security-enhancer-pro/include/wph.class.php(112): WPH_licence->__construct() #2 /var/www/html/wp-content/plugins/wp-hide-security-enhancer-pro/wp-hide.php(33): WPH->init() #3 /var/www/html/wp-admin/includes/plugin.php(2300): include('/var/www/html/w...') #4 /var/www/html/wp-admin/plugins.php(191): plugin_sandbox_scrape('wp-hide-securit...') #5 {main} thrown in /var/www/html/wp-content/plugins/wp-hide-security-enhancer-pro/include/class.licence.php on line 94